15 matches are on Monday's card at Winston-Salem and Monterrey, and we have a pick for every one of them. The headline act: Benjamin Bonzi against Kamil Majchrzak in the round of 64. Our calls: Bonzi over Majchrzak, Giron over Royer, Safiullin over Fucsovics, Bartunkova over Ruzic, Parks over Marcinko, Hijikata over Blanch, and 2 more.
The boldest call on the card: Bonzi over Majchrzak — the market disagrees with us there.
August 23, 2026 results: 4-3 → how our picks graded, match by match.
Pick: BonziUpset call
Upset call: the market favors Majchrzak; our numbers say Bonzi.
Win probability: 50% Bonzi · Market: +168 · Sets: 3 (50%) · most likely score 2-0 (25%)
Monday's Winston-Salem round of 64 pits Benjamin Bonzi against Kamil Majchrzak on hard. Benjamin Bonzi has dropped 3 straight and sits at 5-5 over the last ten. Kamil Majchrzak is searching for form, having lost 3 in a row (5 of the last 10).
The underlying stats are tight across the board — this is a matchup decided by a handful of points. Little separates them; Bonzi gets the nod on the finest of margins.
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 Jenson Brooksby goes up against Stefanos Tsitsipas in the Winston-Salem round of 32. Stefanos Tsitsipas is 7-3 across recent matches. Jenson Brooksby is 6-4 across recent matches.
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 Camila Osorio in the Monterrey round of 32. Camila Osorio is searching for form, having lost 2 in a row (6 of the last 10). Ann Li is 4-6 across recent matches.
Pick: Giron
Win probability: 53% Giron · Market: -102 · Sets: 2 (61%) · most likely score 2-0 (33%)
A spot in the next round is at stake on Monday, when Marcos Giron goes up against Valentin Royer in the Winston-Salem round of 64. Marcos Giron limps in on a 3-match losing skid, just 3 wins in 10. Valentin Royer brings a 5-match winning streak into this one, 6-4 across the last ten.
Giron's 70.5% behind the first serve (against 26.1% for Royer) means break chances should be scarce in one direction. A tiebreak or two would surprise nobody, with Giron fractionally more likely to land the big points.
Pick: Safiullin
Win probability: 58% Safiullin · Market: -168 · Sets: 2 (60%) · most likely score 2-0 (35%)
Marton Fucsovics and Roman Safiullin meet in the round of 64 at Winston-Salem on Monday. Roman Safiullin has won 7 of the last 10. Marton Fucsovics has dropped 2 straight and sits at 2-8 over the last ten.
On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. A tiebreak or two would surprise nobody, with Safiullin fractionally more likely to land the big points.
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 Monterrey round of 32 pits Dayana Yastremska against Janice Tjen on hard. Janice Tjen has won 3 of the last 10. Dayana Yastremska limps in on a 2-match losing skid, just 5 wins in 10.
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 Winston-Salem round of 64 pits Lorenzo Sonego against Vit Kopriva on hard. Lorenzo Sonego has won 5 of the last 10. Vit Kopriva is 3-7 across recent matches.
Pick: Bartunkova
Win probability: 60% Bartunkova · Market: -221 · Sets: 2 (63%) · most likely score 2-0 (39%)
A spot in the next round is at stake on Monday, when Antonia Ruzic goes up against Nikola Bartunkova in the Monterrey round of 32. Nikola Bartunkova has won 6 of the last 10. Antonia Ruzic limps in on a 2-match losing skid, just 2 wins in 10.
Bartunkova's 67.9% behind the first serve (against 61.3% for Ruzic) means break chances should be scarce in one direction. Expect resistance, but the match-level math tilts clearly toward Bartunkova.
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 Winston-Salem round of 64 pits Adam Walton against Jesper De Jong on hard. Adam Walton has won 5 of the last 10. Jesper De Jong has dropped 3 straight and sits at 4-6 over the last ten.
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 Winston-Salem round of 64 pits Hugo Grenier against Roman Safiullin on hard. Roman Safiullin has won 7 of the last 10. Hugo Grenier comes in at 4 wins from the last ten.
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 Abedallah Shelbayh goes up against Martin Damm in the Winston-Salem round of 64. Martin Damm is searching for form, having lost 3 in a row (3 of the last 10). Abedallah Shelbayh comes in at 3 wins from the last ten.
Pick: Parks
Win probability: 55% Parks · Market: +118 · Sets: 3 (44%) · most likely score 2-0 (31%)
Monday's Monterrey round of 32 pits Alycia Parks against Petra Marcinko on hard. Alycia Parks is searching for form, having lost 2 in a row (4 of the last 10). Petra Marcinko limps in on a 2-match losing skid, just 6 wins in 10.
The serve is where this match separates: Parks has been winning 70.3% of first-serve points to Marcinko's 63.2%, and on hard that gap compounds fast. A tiebreak or two would surprise nobody, with Parks fractionally more likely to land the big points.
Pick: Hijikata
Win probability: 66% Hijikata · Market: -192 · Sets: 2 (59%) · most likely score 2-0 (40%)
A spot in the next round is at stake on Monday, when Darwin Blanch goes up against Rinky Hijikata in the Winston-Salem round of 64. Rinky Hijikata comes in at 4 wins from the last ten. Darwin Blanch limps in on a 6-match losing skid, just 2 wins in 10.
Rinky Hijikata is clearly higher-rated on hard — our number puts Hijikata around 66%. Expect resistance, but the match-level math tilts clearly toward Hijikata.
Pick: Tagger
Win probability: 68% Tagger · Market: -187 · Sets: 2 (65%) · most likely score 2-0 (46%)
A spot in the next round is at stake on Monday, when Lilli Tagger goes up against Yuliia Starodubtseva in the Monterrey round of 32. Lilli Tagger has won 6 of the last 10. Yuliia Starodubtseva limps in on a 5-match losing skid, just 4 wins in 10.
Hold strength tells the story — 66.4% versus 58.2% on first-serve points in Tagger's favor. Tagger should have enough here, though Starodubtseva has the tools to make the scoreboard uncomfortable.
Pick: Oliynykova
Win probability: 59% Oliynykova · Market: +102 · Sets: 3 (46%) · most likely score 2-0 (33%)
A spot in the next round is at stake on Monday, when Mayar Sherif goes up against Oleksandra Oliynykova in the Monterrey round of 32. Oleksandra Oliynykova has won 6 of the last 10. Mayar Sherif is rolling — 10 straight wins, 10 of 10 in recent play.
Oleksandra Oliynykova has had the better of this rivalry, winning 4 of 4 against Mayar Sherif. On hard specifically it reads 2-0 Oliynykova — worth more than the overall number this week.
There's a wide gap in our ratings on hard, and our number follows from it. A tiebreak or two would surprise nobody, with Oliynykova fractionally more likely to land the big points.
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