✗ Pick wrongWe got this one wrong. Our final number was 53% on Madison Keys; Qinwen Zheng won 1-6 7-6 7-5.
Pick: Keys
Win probability: 53% Keys · Market: -149 · Sets: 2 (65%) · most likely score 2-0 (35%)
A spot in the next round is at stake on Saturday, when Madison Keys goes up against Qinwen Zheng in the US Open round of 32. Madison Keys has won 6 of the last 10. Qinwen Zheng is 4-6 across recent matches.
On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. A tiebreak or two would surprise nobody, with Keys fractionally more likely to land the big points.
✗ Pick wrongMissed it. We had Flavio Cobolli at 51%, but Alexander Blockx won 6-7 6-3 6-0 6-3.
Pick: Cobolli
Win probability: 51% Cobolli · Market: -102 · Sets: 4+ (69%) · most likely score 3-1 (21%)
A spot in the next round is at stake on Saturday, when Alexander Blockx goes up against Flavio Cobolli in the US Open round of 32. Flavio Cobolli has won 6 of the last 10. Alexander Blockx has won 5 of the last 10.
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 Cobolli is exactly that — a lean.
✗ Pick wrongA miss: Elina Svitolina at 61% lost to Anna Kalinskaya (6-3 2-6 6-3).
Pick: Svitolina
Win probability: 61% Svitolina · Market: -236 · Sets: 2 (65%) · most likely score 2-0 (41%)
Saturday's US Open round of 32 pits Anna Kalinskaya against Elina Svitolina on hard. Elina Svitolina has won 7 of the last 10. Anna Kalinskaya is rolling — 3 straight wins, 7 of 10 in recent play.
Elina Svitolina is clearly higher-rated on hard — our number puts Svitolina around 61%. The edge belongs to Svitolina — real, but not the kind you take for granted at this level.
✓ Pick rightNailed it. We had Ben Shelton at 69% before the match, and Ben Shelton won 7-6 6-7 6-3 6-4.
Pick: Shelton
Win probability: 69% Shelton · Market: -321 · Sets: 4+ (58%) · most likely score 3-0 (34%)
A spot in the next round is at stake on Saturday, when Ben Shelton goes up against Denis Shapovalov in the US Open round of 32. Ben Shelton comes in at 8 wins from the last ten. Denis Shapovalov comes in at 7 wins from the last ten.
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.
✗ Pick wrongWe got this one wrong. Our final number was 67% on Taylor Fritz; Francisco Cerundolo won 3-6 4-6 6-3 6-4 6-4.
Pick: Fritz
Win probability: 67% Fritz · Market: -500 · Sets: 4+ (59%) · most likely score 3-0 (31%)
A spot in the next round is at stake on Saturday, when Francisco Cerundolo goes up against Taylor Fritz in the US Open round of 32. Taylor Fritz has won 8 of the last 10. Francisco Cerundolo has won 6 of the last 10.
The serve is where this match separates: Fritz has been winning 74.6% of first-serve points to Cerundolo's 66.8%, and on hard that gap compounds fast. Expect resistance, but the match-level math tilts clearly toward Fritz.
✓ Pick rightThis one lands on the correct side of the ledger: 51% on Botic Van De Zandschulp, who won 3-6 7-6 4-6 7-6 6-3.
Pick: Zandschulp
Win probability: 51% Zandschulp · Market: -194 · Sets: 4+ (65%) · most likely score 3-1 (19%)
Saturday's US Open round of 32 pits Botic Van De Zandschulp against Zizou Bergs on hard. Botic Van De Zandschulp has won 7 of the last 10. Zizou Bergs comes in at 6 wins from the last ten.
Botic Van De Zandschulp is clearly higher-rated on hard — our number puts Zandschulp around 51%. Little separates them; Zandschulp gets the nod on the finest of margins.
✓ Pick rightNailed it. We had Arthur Gea at 60% before the match, and Arthur Gea won 7-6 3-6 4-6 6-3 6-2.
Pick: GeaUpset call
Upset call: the market makes Zheng the favorite; our numbers say Gea.
Win probability: 60% Gea · Market: +140 · Sets: 4+ (76%) · most likely score 3-1 (25%)
Saturday's US Open round of 32 pits Arthur Gea against Michael Zheng on hard. Arthur Gea has won 6 in a row and 9 of the last 10 overall. Michael Zheng comes in at 6 wins from the last ten.
Arthur Gea simply rates much higher on hard, and our number follows from it. Expect resistance, but the match-level math tilts clearly toward Gea.
✓ Pick rightThis one lands on the correct side of the ledger: 51% on Karen Khachanov, who won 6-3 6-2 6-4.
Pick: KhachanovUpset call
Upset call: the market favors Bonzi; our numbers say Khachanov.
Win probability: 51% Khachanov · Market: -188 · Sets: 4+ (69%) · most likely score 3-1 (19%)
A spot in the next round is at stake on Saturday, when Benjamin Bonzi goes up against Karen Khachanov in the US Open round of 32. Karen Khachanov has won 4 of the last 10. Benjamin Bonzi comes in at 6 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. Little separates them; Khachanov gets the nod on the finest of margins.
✓ Pick rightNailed it. We had Naomi Osaka at 59% before the match, and Naomi Osaka won 6-3 3-6 7-5.
Pick: Osaka
Win probability: 59% Osaka · Market: -260 · Sets: 2 (66%) · most likely score 2-0 (41%)
Elise Mertens and Naomi Osaka meet in the round of 32 at US Open on Saturday. Naomi Osaka is 7-3 across recent matches. Elise Mertens brings a 3-match winning streak into this one, 6-4 across the last ten.
The serve is where this match separates: Osaka has been winning 70.9% of first-serve points to Mertens's 63.4%, and on hard that gap compounds fast. A tiebreak or two would surprise nobody, with Osaka fractionally more likely to land the big points.
✗ Pick wrongWe got this one wrong. Our final number was 63% on Alexandra Eala; Iva Jovic won 7-5 3-6 7-5.
Pick: Eala
Win probability: 63% Eala · Market: +112 · Sets: 2 (62%) · most likely score 2-0 (40%)
Alexandra Eala and Iva Jovic meet in the round of 32 at US Open on Saturday. Alexandra Eala comes in at 8 wins from the last ten. Iva Jovic comes in at 6 wins from the last ten.
Iva Jovic leads the head-to-head 1-0, and history has a way of mattering in matchups like this one.
There's a wide gap in our ratings on hard, and our number follows from it. The edge belongs to Eala — real, but not the kind you take for granted at this level.
✓ Pick rightThis one lands on the correct side of the ledger: 65% on Mirra Andreeva, who won 6-2 7-6.
Pick: Andreeva
Win probability: 65% Andreeva · Market: -356 · Sets: 2 (66%) · most likely score 2-0 (44%)
Mirra Andreeva and Nikola Bartunkova meet in the round of 32 at US Open on Saturday. Mirra Andreeva comes in at 6 wins from the last ten. Nikola Bartunkova comes in at 7 wins from the last ten.
Mirra Andreeva simply rates much higher on hard, and our number follows from it. Expect resistance, but the match-level math tilts clearly toward Andreeva.
✓ Pick rightNailed it. We had Iga Swiatek at 75% before the match, and Iga Swiatek won 7-6 7-6.
Pick: Swiatek
Win probability: 75% Swiatek · Market: -433 · Sets: 2 (71%) · most likely score 2-0 (56%)
Saturday's US Open round of 32 pits Iga Swiatek against Marie Bouzkova on hard. Iga Swiatek comes in at 9 wins from the last ten. Marie Bouzkova brings a 3-match winning streak into this one, 6-4 across the last ten.
Iga Swiatek simply rates much higher on hard, and our number follows from it. Anything other than a Swiatek win would rank among the bigger surprises of the week.
✗ Pick wrongWe got this one wrong. Our final number was 72% on Amanda Anisimova; Anastasia Potapova won 6-2 7-5.
Pick: Anisimova
Win probability: 72% Anisimova · Market: -453 · Sets: 2 (66%) · most likely score 2-0 (50%)
Amanda Anisimova and Anastasia Potapova meet in the round of 32 at US Open on Saturday. Amanda Anisimova has won 7 of the last 10. Anastasia Potapova is 5-5 across recent matches.
There's a wide gap in our ratings on hard, and our number follows from it. Potapova needs several things to break right at once; the percentages say they usually don't.
✓ Pick rightWe got this one right. Coco Gauff was our 82% pick, and won 6-3 6-4.
Pick: Gauff
Win probability: 82% Gauff · Market: -1184 · Sets: 2 (74%) · most likely score 2-0 (63%)
Saturday's US Open round of 32 pits Coco Gauff against Cristina Bucsa on hard. Coco Gauff brings a 7-match winning streak into this one, 9-1 across the last ten. Cristina Bucsa comes in at 3 wins from the last ten.
Hold strength tells the story — 65.8% versus 58.8% on first-serve points in Gauff's favor. Bucsa needs several things to break right at once; the percentages say they usually don't.
✓ Pick rightNailed it. We had Luciano Darderi at 72% before the match, and Luciano Darderi won 6-4 6-3 6-3.
Pick: Darderi
Win probability: 72% Darderi · Market: -330 · Sets: 3 (51%) · most likely score 3-0 (40%)
Saturday's US Open round of 32 pits Dane Sweeny against Luciano Darderi on hard. Luciano Darderi has won 6 of the last 10. Dane Sweeny has won 5 of the last 10.
Hold strength tells the story — 69.9% versus 66.2% on first-serve points in Darderi's favor. Anything other than a Darderi win would rank among the bigger surprises of the week.