Monday's US Open first round pits Arthur Fils against Stefanos Tsitsipas on hard. Arthur Fils brings a 6-match winning streak into this one, 9-1 across the last ten. Stefanos Tsitsipas has won 6 of the last 10.
US Open predictions, August 31, 2026: Fils vs. Tsitsipas, Shelton vs. Griekspoor
52 matches are on Monday's card at US Open, and we have a pick for every one of them. The headline act: Arthur Fils against Stefanos Tsitsipas in the first round. Our calls: Shelton over Griekspoor, Rublev over Cilic, Cocciaretto over Siniakova, Bublik over Wolf, Kenin over Williams.
The boldest call on the card: Cocciaretto over Siniakova — the market disagrees with us there.
August 30, 2026 results: 21-6 → how our picks graded, match by match.
Arthur Fils vs. Stefanos Tsitsipas
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Ben Shelton vs. Tallon Griekspoor
Pick: Shelton
Win probability: 61% Shelton · Market: -531 · Sets: 4+ (55%) · most likely score 3-0 (29%)
A spot in the next round is at stake on Monday, when Ben Shelton goes up against Tallon Griekspoor in the US Open first round. Ben Shelton has won 8 of the last 10. Tallon Griekspoor is 4-6 across recent matches.
There's a wide gap in our ratings on hard, and our number follows from it. Expect resistance, but the match-level math tilts clearly toward Shelton.
Learner Tien vs. Nuno Borges
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Learner Tien and Nuno Borges meet in the first round at US Open on Monday. Learner Tien is 6-4 across recent matches. Nuno Borges is 7-3 across recent matches.
Brandon Nakashima vs. Sebastian Baez
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Brandon Nakashima against Sebastian Baez on hard. Brandon Nakashima comes in at 8 wins from the last ten. Sebastian Baez has won 6 of the last 10.
Carlos Alcaraz vs. Roman Safiullin
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when Carlos Alcaraz goes up against Roman Safiullin in the US Open first round. Carlos Alcaraz has won 7 of the last 10. Roman Safiullin has dropped 2 straight and sits at 6-4 over the last ten.
Alejandro Tabilo vs. Yannick Hanfmann
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Alejandro Tabilo and Yannick Hanfmann meet in the first round at US Open on Monday. Alejandro Tabilo comes in at 5 wins from the last ten. Yannick Hanfmann comes in at 6 wins from the last ten.
Aryna Sabalenka vs. Camila Osorio
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Aryna Sabalenka and Camila Osorio meet in the first round at US Open on Monday. Aryna Sabalenka is 7-3 across recent matches. Camila Osorio is searching for form, having lost 3 in a row (5 of the last 10).
Andrey Rublev vs. Marin Cilic
Pick: Rublev
Win probability: 56% Rublev · Sets: 4+ (62%) · most likely score 3-0 (25%)
A spot in the next round is at stake on Monday, when Andrey Rublev goes up against Marin Cilic in the US Open first round. Andrey Rublev is 6-4 across recent matches. Marin Cilic has won 4 of the last 10.
Andrey Rublev is clearly higher-rated on hard — our number puts Rublev around 56%. A tiebreak or two would surprise nobody, with Rublev fractionally more likely to land the big points.
Elisabetta Cocciaretto vs. Katerina Siniakova
Pick: CocciarettoUpset call
Upset call: the market favors Siniakova; our numbers say Cocciaretto.
Win probability: 52% Cocciaretto · Market: +170 · Sets: 2 (61%) · most likely score 2-0 (32%)
Elisabetta Cocciaretto and Katerina Siniakova meet in the first round at US Open on Monday. Elisabetta Cocciaretto is 4-6 across recent matches. Katerina Siniakova comes in at 4 wins from the last ten.
Neither the serve numbers nor the ratings separate these two by much, which is why our number stays close to even. This one is close to a coin flip, and the lean toward Cocciaretto is exactly that — a lean.
Felix Auger Aliassime vs. Rinky Hijikata
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Felix Auger Aliassime against Rinky Hijikata on hard. Felix Auger Aliassime has won 7 of the last 10. Rinky Hijikata has won 4 of the last 10.
Andrey Rublev vs. Otto Virtanen
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Andrey Rublev against Otto Virtanen on hard. Andrey Rublev is 6-4 across recent matches. Otto Virtanen limps in on a 2-match losing skid, just 5 wins in 10.
Matteo Berrettini vs. Stan Wawrinka
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Matteo Berrettini and Stan Wawrinka meet in the first round at US Open on Monday. Matteo Berrettini comes in at 7 wins from the last ten. Stan Wawrinka comes in at 2 wins from the last ten.
Amanda Anisimova vs. Ashlyn Krueger
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Amanda Anisimova against Ashlyn Krueger on hard. Amanda Anisimova is 6-4 across recent matches. Ashlyn Krueger has won 7 of the last 10.
Aleksandar Kovacevic vs. Valentin Vacherot
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Aleksandar Kovacevic and Valentin Vacherot meet in the first round at US Open on Monday. Valentin Vacherot limps in on a 4-match losing skid, just 4 wins in 10. Aleksandar Kovacevic comes in at 4 wins from the last ten.
Alexei Popyrin vs. Grigor Dimitrov
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when Alexei Popyrin goes up against Grigor Dimitrov in the US Open first round. Grigor Dimitrov limps in on a 2-match losing skid, just 6 wins in 10. Alexei Popyrin comes in at 4 wins from the last ten.
Dalibor Svrcina vs. Valentin Royer
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Dalibor Svrcina against Valentin Royer on hard. Valentin Royer is rolling — 5 straight wins, 6 of 10 in recent play. Dalibor Svrcina limps in on a 2-match losing skid, just 4 wins in 10.
Daria Snigur vs. Diana Shnaider
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Daria Snigur against Diana Shnaider on hard. Diana Shnaider has won 7 of the last 10. Daria Snigur has won 7 of the last 10.
Katie Volynets vs. Linda Noskova
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when Katie Volynets goes up against Linda Noskova in the US Open first round. Linda Noskova is 8-2 across recent matches. Katie Volynets has won 5 in a row and 8 of the last 10 overall.
Cristina Bucsa vs. Sara Bejlek
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Cristina Bucsa against Sara Bejlek on hard. Sara Bejlek has won 7 of the last 10. Cristina Bucsa is 2-8 across recent matches.
Adrian Mannarino vs. Thiago Agustin Tirante
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Adrian Mannarino against Thiago Agustin Tirante on hard. Thiago Agustin Tirante is 8-2 across recent matches. Adrian Mannarino is searching for form, having lost 4 in a row (3 of the last 10).
Diane Parry vs. Viktorija Golubic
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Diane Parry and Viktorija Golubic meet in the first round at US Open on Monday. Diane Parry has won 4 in a row and 7 of the last 10 overall. Viktorija Golubic is 6-4 across recent matches.
Aleksandar Vukic vs. Rei Sakamoto
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Aleksandar Vukic against Rei Sakamoto on hard. Aleksandar Vukic has dropped 2 straight and sits at 6-4 over the last ten. Rei Sakamoto comes in at 5 wins from the last ten.
Giovanni Mpetshi Perricard vs. Jurij Rodionov
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Giovanni Mpetshi Perricard against Jurij Rodionov on hard. Giovanni Mpetshi Perricard is searching for form, having lost 5 in a row (2 of the last 10). Jurij Rodionov has won 3 of the last 10.
Jacob Fearnley vs. Martin Landaluce
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Jacob Fearnley against Martin Landaluce on hard. Jacob Fearnley comes in at 8 wins from the last ten. Martin Landaluce limps in on a 2-match losing skid, just 2 wins in 10.
Alex Michelsen vs. Federico Cina
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when Alex Michelsen goes up against Federico Cina in the US Open first round. Alex Michelsen comes in at 7 wins from the last ten. Federico Cina has won 4 of the last 10.
James Duckworth vs. Matteo Arnaldi
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when James Duckworth goes up against Matteo Arnaldi in the US Open first round. James Duckworth brings a 4-match winning streak into this one, 7-3 across the last ten. Matteo Arnaldi has dropped 2 straight and sits at 5-5 over the last ten.
Ann Li vs. Antonia Ruzic
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when Ann Li goes up against Antonia Ruzic in the US Open first round. Ann Li has won 4 of the last 10. Antonia Ruzic is searching for form, having lost 3 in a row (2 of the last 10).
Alexander Blockx vs. Tomas Barrios Vera
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Alexander Blockx and Tomas Barrios Vera meet in the first round at US Open on Monday. Alexander Blockx comes in at 4 wins from the last ten. Tomas Barrios Vera has dropped 7 straight and sits at 2-8 over the last ten.
Liudmila Samsonova vs. Maya Joint
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when Liudmila Samsonova goes up against Maya Joint in the US Open first round. Liudmila Samsonova comes in at 6 wins from the last ten. Maya Joint limps in on a 3-match losing skid, just 4 wins in 10.
Anna Blinkova vs. Anna Kalinskaya
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when Anna Blinkova goes up against Anna Kalinskaya in the US Open first round. Anna Kalinskaya comes in at 6 wins from the last ten. Anna Blinkova has dropped 2 straight and sits at 4-6 over the last ten.
Maja Chwalinska vs. Taylor Townsend
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Maja Chwalinska against Taylor Townsend on hard. Taylor Townsend is 5-5 across recent matches. Maja Chwalinska is searching for form, having lost 2 in a row (5 of the last 10).
Damir Dzumhur vs. Hubert Hurkacz
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when Damir Dzumhur goes up against Hubert Hurkacz in the US Open first round. Hubert Hurkacz brings a 4-match winning streak into this one, 8-2 across the last ten. Damir Dzumhur has won 6 of the last 10.
Karolina Muchova vs. Sinja Kraus
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when Karolina Muchova goes up against Sinja Kraus in the US Open first round. Karolina Muchova has won 9 of the last 10. Sinja Kraus limps in on a 2-match losing skid, just 4 wins in 10.
Harry Wendelken vs. Luciano Darderi
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Harry Wendelken against Luciano Darderi on hard. Luciano Darderi comes in at 5 wins from the last ten. Harry Wendelken is searching for form, having lost 6 in a row (1 of the last 10).
Facundo Diaz Acosta vs. Quentin Halys
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when Facundo Diaz Acosta goes up against Quentin Halys in the US Open first round. Quentin Halys limps in on a 2-match losing skid, just 7 wins in 10. Facundo Diaz Acosta has won 5 in a row and 7 of the last 10 overall.
Elsa Jacquemot vs. Marie Bouzkova
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Elsa Jacquemot against Marie Bouzkova on hard. Marie Bouzkova is 6-4 across recent matches. Elsa Jacquemot limps in on a 2-match losing skid, just 3 wins in 10.
Clara Tauson vs. Sloane Stephens
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when Clara Tauson goes up against Sloane Stephens in the US Open first round. Clara Tauson comes in at 4 wins from the last ten. Sloane Stephens has dropped 2 straight and sits at 3-7 over the last ten.
Anouk Koevermans vs. Caty Mcnally
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Anouk Koevermans against Caty Mcnally on hard. Caty Mcnally comes in at 6 wins from the last ten. Anouk Koevermans comes in at 7 wins from the last ten.
Jakub Mensik vs. Shintaro Mochizuki
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when Jakub Mensik goes up against Shintaro Mochizuki in the US Open first round. Jakub Mensik is 6-4 across recent matches. Shintaro Mochizuki has won 6 of the last 10.
Julia Grabher vs. Sorana Cirstea
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Julia Grabher and Sorana Cirstea meet in the first round at US Open on Monday. Sorana Cirstea comes in at 5 wins from the last ten. Julia Grabher comes in at 5 wins from the last ten.
Anhelina Kalinina vs. Himeno Sakatsume
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Anhelina Kalinina against Himeno Sakatsume on hard. Anhelina Kalinina is 4-6 across recent matches. Himeno Sakatsume comes in at 4 wins from the last ten.
Emma Navarro vs. Lois Boisson
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Emma Navarro and Lois Boisson meet in the first round at US Open on Monday. Emma Navarro has won 5 of the last 10. Lois Boisson comes in at 2 wins from the last ten.
Alexander Bublik vs. J J Wolf
✓ Pick rightThis one lands on the correct side of the ledger: 71% on Alexander Bublik, who won 6-4 6-2 3-6 6-1.
Pick: Bublik
Win probability: 71% Bublik · Sets: 3 (54%) · most likely score 3-0 (43%)
A spot in the next round is at stake on Monday, when Alexander Bublik goes up against J J Wolf in the US Open first round. Alexander Bublik is 6-4 across recent matches. J J Wolf has won 2 of the last 10.
The serve is where this match separates: Bublik has been winning 77.7% of first-serve points to Wolf's 72.4%, and on hard that gap compounds fast. Bublik should have enough here, though Wolf has the tools to make the scoreboard uncomfortable.
Maria Timofeeva vs. Tamara Zidansek
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Maria Timofeeva against Tamara Zidansek on hard. Tamara Zidansek is searching for form, having lost 2 in a row (5 of the last 10). Maria Timofeeva is 8-2 across recent matches.
Mananchaya Sawangkaew vs. Panna Udvardy
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Mananchaya Sawangkaew and Panna Udvardy meet in the first round at US Open on Monday. Mananchaya Sawangkaew is 6-4 across recent matches. Panna Udvardy comes in at 4 wins from the last ten.
Nadia Podoroska vs. Simona Waltert
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Nadia Podoroska against Simona Waltert on hard. Nadia Podoroska has dropped 4 straight and sits at 3-7 over the last ten. Simona Waltert is searching for form, having lost 2 in a row (5 of the last 10).
Lilli Tagger vs. Tamara Korpatsch
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Monday's US Open first round pits Lilli Tagger against Tamara Korpatsch on hard. Lilli Tagger limps in on a 2-match losing skid, just 5 wins in 10. Tamara Korpatsch has won 5 of the last 10.
Karen Khachanov vs. Roman Andres Burruchaga
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when Karen Khachanov goes up against Roman Andres Burruchaga in the US Open first round. Karen Khachanov has dropped 4 straight and sits at 4-6 over the last ten. Roman Andres Burruchaga is searching for form, having lost 4 in a row (5 of the last 10).
Harriet Dart vs. Peyton Stearns
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
Harriet Dart and Peyton Stearns meet in the first round at US Open on Monday. Peyton Stearns is 5-5 across recent matches. Harriet Dart is searching for form, having lost 2 in a row (3 of the last 10).
Kimberly Birrell vs. Petra Marcinko
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when Kimberly Birrell goes up against Petra Marcinko in the US Open first round. Kimberly Birrell is searching for form, having lost 4 in a row (2 of the last 10). Petra Marcinko limps in on a 3-match losing skid, just 5 wins in 10.
Juncheng Shang vs. Marco Trungelliti
This pick is Pro until the match is played, then it goes public, graded, like every pick we publish. Pro opens the whole board.
A spot in the next round is at stake on Monday, when Juncheng Shang goes up against Marco Trungelliti in the US Open first round. Juncheng Shang is searching for form, having lost 2 in a row (4 of the last 10). Marco Trungelliti is 4-6 across recent matches.
Sofia Kenin vs. Venus Williams
✓ Pick rightThis one lands on the correct side of the ledger: 60% on Sofia Kenin, who won 6-2 7-6(6).
Pick: Kenin
Win probability: 60% Kenin · Sets: 2 (67%) · most likely score 2-0 (41%)
A spot in the next round is at stake on Monday, when Sofia Kenin goes up against Venus Williams in the US Open first round. Sofia Kenin has won 3 of the last 10. Venus Williams limps in on a 10-match losing skid, just 0 wins in 10.
There's a wide gap in our ratings on hard, and our number follows from it. The edge belongs to Kenin — real, but not the kind you take for granted at this level.
Get the free ebook + tomorrow's picks
Sign up for the daily desk email and our nine-chapter beginner's guide to trading sports prediction markets comes free as a PDF. One email a day with the day's free picks in full, unsubscribe anytime.