✓ Pick rightThis one lands on the correct side of the ledger: 83% on Jessica Pegula, who won 6-3 6-1.
Pick: Pegula
Win probability: 83% Pegula · Market: -990 · We call it in 2 sets (70%) · single likeliest score 2-0 (62%)
Wednesday's US Open round of 64 pits Jessica Pegula against Sofia Kenin on hard. Jessica Pegula comes in at 8 wins from the last ten. Sofia Kenin is 4-6 across recent matches.
There's a wide gap in our ratings on hard, and our number follows from it. Kenin needs several things to break right at once; the percentages say they usually don't.
✓ Pick rightNailed it. We had Jasmine Paolini at 82% before the match, and Jasmine Paolini won 6-4 6-1.
Pick: Paolini
Win probability: 82% Paolini · Market: -205 · We call it in 2 sets (70%) · single likeliest score 2-0 (59%)
Wednesday's US Open round of 64 pits Jasmine Paolini against Lucrezia Stefanini on hard. Jasmine Paolini has won 7 of the last 10. Lucrezia Stefanini has won 4 of the last 10.
Paolini's 60.4% behind the first serve (against 55% for Stefanini) means break chances should be scarce in one direction. If Paolini plays anywhere close to a normal level, this ends in relatively comfortable fashion.
✓ Pick rightThis one lands on the correct side of the ledger: 81% on Marta Kostyuk, who won 6-1 7-5.
Pick: Kostyuk
Win probability: 81% Kostyuk · Market: -565 · We call it in 2 sets (72%) · single likeliest score 2-0 (61%)
Marta Kostyuk and Sloane Stephens meet in the round of 64 at US Open on Wednesday. Marta Kostyuk has won 7 of the last 10. Sloane Stephens is 4-6 across recent matches.
There's a wide gap in our ratings on hard, and our number follows from it. Anything other than a Kostyuk win would rank among the bigger surprises of the week.
✓ Pick rightThis one lands on the correct side of the ledger: 80% on Karolina Muchova, who won 6-1 6-0.
Pick: Muchova
Win probability: 80% Muchova · Market: -497 · We call it in 2 sets (69%) · single likeliest score 2-0 (58%)
A spot in the next round is at stake on Wednesday, when Karolina Muchova goes up against Katie Boulter in the US Open round of 64. Karolina Muchova is 9-1 across recent matches. Katie Boulter has won 4 of the last 10.
Karolina Muchova simply rates much higher on hard, and our number follows from it. If Muchova plays anywhere close to a normal level, this ends in relatively comfortable fashion.
✓ Pick rightThis one lands on the correct side of the ledger: 68% on Ekaterina Alexandrova, who won 6-1 2-6 6-3.
Pick: Alexandrova
Win probability: 68% Alexandrova · Market: -333 · We call it in 2 sets (66%) · single likeliest score 2-0 (47%)
Ekaterina Alexandrova and Kimberly Birrell meet in the round of 64 at US Open on Wednesday. Ekaterina Alexandrova is 6-4 across recent matches. Kimberly Birrell has won 3 of the last 10.
Ekaterina Alexandrova simply rates much higher on hard, and our number follows from it. The edge belongs to Alexandrova — real, but not the kind you take for granted at this level.
✓ Pick rightWe got this one right. Diana Shnaider was our 67% pick, and won 6-1 7-6.
Pick: Shnaider
Win probability: 67% Shnaider · Market: -316 · We call it in 2 sets (65%) · single likeliest score 2-0 (45%)
Wednesday's US Open round of 64 pits Diana Shnaider against Karolina Pliskova on hard. Diana Shnaider comes in at 7 wins from the last ten. Karolina Pliskova comes in at 6 wins from the last ten.
There's a wide gap in our ratings on hard, and our number follows from it. The edge belongs to Shnaider — real, but not the kind you take for granted at this level.
✓ Pick rightNailed it. We had Taylor Townsend at 65% before the match, and Taylor Townsend won 6-1 6-1.
Pick: Townsend
Win probability: 65% Townsend · Market: -317 · We call it in 2 sets (64%) · single likeliest score 2-0 (43%)
A spot in the next round is at stake on Wednesday, when Taylah Preston goes up against Taylor Townsend in the US Open round of 64. Taylor Townsend has won 6 of the last 10. Taylah Preston has won 7 of the last 10.
Townsend's 64.3% behind the first serve (against 59.3% for Preston) means break chances should be scarce in one direction. Townsend should have enough here, though Preston has the tools to make the scoreboard uncomfortable.
✓ Pick rightNailed it. We had Sorana Cirstea at 58% before the match, and Sorana Cirstea won 6-2 7-5.
Pick: Cirstea
Win probability: 58% Cirstea · Market: -242 · We call it in 2 sets (65%) · single likeliest score 2-0 (38%)
A spot in the next round is at stake on Wednesday, when Diane Parry goes up against Sorana Cirstea in the US Open round of 64. Sorana Cirstea is 5-5 across recent matches. Diane Parry is rolling — 6 straight wins, 9 of 10 in recent play.
Sorana Cirstea is clearly higher-rated on hard — our number puts Cirstea around 58%. A tiebreak or two would surprise nobody, with Cirstea fractionally more likely to land the big points.
✓ Pick rightNailed it. We had Ann Li at 56% before the match, and Ann Li won 5-7 7-6(4) 6-4.
Pick: Li
Win probability: 56% Li · Market: -149 · We call it in 2 sets (62%) · single likeliest score 2-0 (36%)
Wednesday's US Open round of 64 pits Ann Li against Donna Vekic on hard. Ann Li is 5-5 across recent matches. Donna Vekic is 5-5 across recent matches.
Ann Li is clearly higher-rated on hard — our number puts Li around 56%. This one is close to a coin flip, and the lean toward Li is exactly that — a lean.
✓ Pick rightWe got this one right. Leylah Fernandez was our 55% pick, and won 6-4 6-1.
Pick: Fernandez
Win probability: 55% Fernandez · Market: -239 · We call it in 2 sets (63%) · single likeliest score 2-0 (35%)
A spot in the next round is at stake on Wednesday, when Leylah Fernandez goes up against Mananchaya Sawangkaew in the US Open round of 64. Leylah Fernandez is 5-5 across recent matches. Mananchaya Sawangkaew is 6-4 across recent matches.
Leylah Fernandez is clearly higher-rated on hard — our number puts Fernandez around 55%. This one is close to a coin flip, and the lean toward Fernandez is exactly that — a lean.
✗ Pick wrongA miss: Caty Mcnally at 53% lost to Emma Navarro (3-6 6-2 6-3).
Pick: Mcnally
Win probability: 53% Mcnally · Market: +118 · We call it in 2 sets (62%) · single likeliest score 2-0 (32%)
Caty Mcnally and Emma Navarro meet in the round of 64 at US Open on Wednesday. Caty Mcnally has won 6 of the last 10. Emma Navarro comes in at 5 wins from the last ten.
Emma Navarro has had the better of this rivalry, winning 2 of 2 against Caty Mcnally. On hard specifically it reads 2-0 Navarro — worth more than the overall number this week.
The underlying stats are tight across the board — this is a matchup decided by a handful of points. This one is close to a coin flip, and the lean toward Mcnally is exactly that — a lean.
✗ Pick wrongMissed it. We had Oksana Selekhmeteva at 51%, but Kamilla Rakhimova won 6-3 6-0.
Pick: SelekhmetevaUpset call
Upset call: the market favors Rakhimova; our numbers say Selekhmeteva.
Win probability: 51% Selekhmeteva · Market: +164 · We call it in 3 sets (48%) · single likeliest score 2-0 (26%)
Kamilla Rakhimova and Oksana Selekhmeteva meet in the round of 64 at US Open on Wednesday. Oksana Selekhmeteva is 5-5 across recent matches. Kamilla Rakhimova is 5-5 across recent matches.
On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. A tiebreak or two would surprise nobody, with Selekhmeteva fractionally more likely to land the big points.
✓ Pick rightWe got this one right. Nikola Bartunkova was our 63% pick, and won 6-1 6-2.
Pick: Bartunkova
Win probability: 63% Bartunkova · Market: -547 · We call it in 2 sets (61%) · single likeliest score 2-0 (39%)
Mayar Sherif and Nikola Bartunkova meet in the first round at US Open on Wednesday. Nikola Bartunkova comes in at 6 wins from the last ten. Mayar Sherif has won 9 of the last 10.
The serve is where this match separates: Bartunkova has been winning 68.4% of first-serve points to Sherif's 58.6%, and on hard that gap compounds fast. The edge belongs to Bartunkova — real, but not the kind you take for granted at this level.
✗ Pick wrongA miss: Jelena Ostapenko at 59% lost to Tatjana Maria (4-6 6-1 6-2).
Pick: Ostapenko
Win probability: 59% Ostapenko · Market: -137 · We call it in 2 sets (65%) · single likeliest score 2-0 (40%)
Jelena Ostapenko and Tatjana Maria meet in the first round at US Open on Wednesday. Jelena Ostapenko is searching for form, having lost 2 in a row (7 of the last 10). Tatjana Maria has won 7 of the last 10.
Jelena Ostapenko simply rates much higher on hard, and our number follows from it. Little separates them; Ostapenko gets the nod on the finest of margins.
✗ Pick wrongA miss: Magda Linette at 59% lost to Francesca Jones (6-4 1-6 6-3).
Pick: LinetteUpset call
Upset call: the market makes Jones the favorite; our numbers say Linette.
Win probability: 59% Linette · Market: +139 · We call it in 2 sets (63%) · single likeliest score 2-0 (38%)
Wednesday's US Open first round pits Francesca Jones against Magda Linette on hard. Magda Linette has dropped 2 straight and sits at 4-6 over the last ten. Francesca Jones is rolling — 10 straight wins, 10 of 10 in recent play.
Magda Linette is clearly higher-rated on hard — our number puts Linette around 59%. Little separates them; Linette gets the nod on the finest of margins.
✓ Pick rightNailed it. We had Paula Badosa at 57% before the match, and Paula Badosa won 6-1 6-4.
Pick: Badosa
Win probability: 57% Badosa · Market: -112 · We call it in 2 sets (64%) · single likeliest score 2-0 (38%)
Daria Kasatkina and Paula Badosa meet in the first round at US Open on Wednesday. Paula Badosa has won 9 of the last 10. Daria Kasatkina is searching for form, having lost 2 in a row (3 of the last 10).
Hold strength tells the story — 65% versus 59.1% on first-serve points in Badosa's favor. A tiebreak or two would surprise nobody, with Badosa fractionally more likely to land the big points.
✓ Pick rightThis one lands on the correct side of the ledger: 54% on Iva Jovic, who won 7-5 6-3.
Pick: Jovic
Win probability: 54% Jovic · Market: -281 · We call it in 2 sets (65%) · single likeliest score 2-0 (36%)
Wednesday's US Open first round pits Iva Jovic against Magdalena Frech on hard. Iva Jovic is 6-4 across recent matches. Magdalena Frech has won 4 of the last 10.
Iva Jovic simply rates much higher on hard, and our number follows from it. A tiebreak or two would surprise nobody, with Jovic fractionally more likely to land the big points.