Winston-Salem & Monterrey predictions, August 26, 2026: Cerundolo vs. Baez, Zandschulp vs. Darderi
By The Maiden Desk · August 26, 2026
Every number below was fixed before the match and graded against the official result.
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13 matches are on Wednesday's card at Winston-Salem and Monterrey, and we have a pick for every one of them. The headline act: Juan Manuel Cerundolo against Sebastian Baez in the round of 16. Our calls: Cerundolo over Baez, Zandschulp over Darderi, Kecmanovic over Marozsan, Bonzi over Hijikata, Altmaier over Buse, Bartunkova over Potapova, and 7 more.
The boldest call on the card: Bucsa over Vidmanova — the market disagrees with us there.
Not gradedThis match ended in a retirement, advancing Juan Manuel Cerundolo. It is excluded from our graded record — no pick is counted as right or wrong.
Pick: CerundoloUpset call
Upset call: the market makes Baez the favorite; our numbers say Cerundolo.
Juan Manuel Cerundolo and Sebastian Baez meet in the round of 16 at Winston-Salem on Wednesday. Juan Manuel Cerundolo comes in at 6 wins from the last ten. Sebastian Baez comes in at 6 wins from the last ten.
On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. Cerundolo comes in off a compressed schedule; Baez comes in off a compressed schedule. Little separates them; Cerundolo gets the nod on the finest of margins.
Botic Van De Zandschulp and Luciano Darderi meet in the round of 16 at Winston-Salem on Wednesday. Botic Van De Zandschulp comes in at 6 wins from the last ten. Luciano Darderi comes in at 6 wins from the last ten.
Botic Van De Zandschulp is clearly higher-rated on hard — our number puts Zandschulp around 52%. Zandschulp comes in off a compressed schedule; Darderi comes in off a compressed schedule. A tiebreak or two would surprise nobody, with Zandschulp fractionally more likely to land the big points.
Wednesday's Winston-Salem round of 32 pits Fabian Marozsan against Miomir Kecmanovic on hard. Miomir Kecmanovic comes in at 4 wins from the last ten. Fabian Marozsan limps in on a 2-match losing skid, just 5 wins in 10.
The rivalry is dead level: 1-1 across 2 matches.
Neither the serve numbers nor the ratings separate these two by much, which is why our number stays close to even. A tiebreak or two would surprise nobody, with Kecmanovic fractionally more likely to land the big points.
A spot in the next round is at stake on Wednesday, when Benjamin Bonzi goes up against Rinky Hijikata in the Winston-Salem round of 16. Benjamin Bonzi is 6-4 across recent matches. Rinky Hijikata has won 5 of the last 10.
Benjamin Bonzi is clearly higher-rated on hard — our number puts Bonzi around 56%. Bonzi comes in off a compressed schedule; Hijikata comes in off a compressed schedule. This one is close to a coin flip, and the lean toward Bonzi is exactly that — a lean.
Daniel Altmaier and Ignacio Buse meet in the round of 16 at Winston-Salem on Wednesday. Daniel Altmaier has won 5 of the last 10. Ignacio Buse has won 4 of the last 10.
Neither the serve numbers nor the ratings separate these two by much, which is why our number stays close to even. Buse comes in off a compressed schedule. Little separates them; Altmaier gets the nod on the finest of margins.
A spot in the next round is at stake on Wednesday, when Anastasia Potapova goes up against Nikola Bartunkova in the Monterrey round of 16. Nikola Bartunkova comes in at 6 wins from the last ten. Anastasia Potapova limps in on a 2-match losing skid, just 5 wins in 10.
Bartunkova's 67.9% behind the first serve (against 63.8% for Potapova) means break chances should be scarce in one direction. Little separates them; Bartunkova gets the nod on the finest of margins.
Wednesday's Winston-Salem round of 16 pits James Duckworth against Lorenzo Sonego on hard. Lorenzo Sonego is 5-5 across recent matches. James Duckworth is 6-4 across recent matches.
The underlying stats are tight across the board — this is a matchup decided by a handful of points. Duckworth comes in off a compressed schedule; Sonego comes in off a compressed schedule. This one is close to a coin flip, and the lean toward Sonego is exactly that — a lean.
A spot in the next round is at stake on Wednesday, when Diane Parry goes up against Oleksandra Oliynykova in the Monterrey round of 16. Diane Parry is 5-5 across recent matches. Oleksandra Oliynykova comes in at 7 wins from the last ten.
Parry's 65.9% behind the first serve (against 57.6% for Oliynykova) means break chances should be scarce in one direction. Parry comes in off a compressed schedule. Little separates them; Parry gets the nod on the finest of margins.
Wednesday's Winston-Salem round of 32 pits Adrian Mannarino against Lorenzo Sonego on hard. Lorenzo Sonego has won 5 of the last 10. Adrian Mannarino limps in on a 3-match losing skid, just 3 wins in 10.
Lorenzo Sonego is clearly higher-rated on hard — our number puts Sonego around 57%. Little separates them; Sonego gets the nod on the finest of margins.
Wednesday's Winston-Salem round of 16 pits Aleksandar Kovacevic against Stefanos Tsitsipas on hard. Stefanos Tsitsipas has won 7 of the last 10. Aleksandar Kovacevic is 3-7 across recent matches.
Stefanos Tsitsipas simply rates much higher on hard, and our number follows from it. Expect resistance, but the match-level math tilts clearly toward Tsitsipas.
Not gradedThis match ended in a walkover, advancing Ann Li. It is excluded from our graded record — no pick is counted as right or wrong.
Pick: Li
Win probability: 62% Li · Market: -173 · Sets: 2 (61%) · most likely score 2-0 (39%)
A spot in the next round is at stake on Wednesday, when Ann Li goes up against Maria Timofeeva in the Monterrey round of 16. Ann Li is 4-6 across recent matches. Maria Timofeeva is 8-2 across recent matches.
The ledger favors Ann Li, 2-0 across their 2 meetings with Maria Timofeeva. On hard specifically it reads 1-0 Li — worth more than the overall number this week.
Hold strength tells the story — 65.2% versus 59.5% on first-serve points in Li's favor. Timofeeva comes in off a compressed schedule. The edge belongs to Li — real, but not the kind you take for granted at this level.
Wednesday's Monterrey round of 16 pits Cristina Bucsa against Darja Vidmanova on hard. Cristina Bucsa is 2-8 across recent matches. Darja Vidmanova comes in at 5 wins from the last ten.
Cristina Bucsa is clearly higher-rated on hard — our number puts Bucsa around 58%. Bucsa comes in off a compressed schedule; Vidmanova comes in off a compressed schedule. Little separates them; Bucsa gets the nod on the finest of margins.
Wednesday's Monterrey round of 16 pits Elise Mertens against Panna Udvardy on hard. Elise Mertens limps in on a 2-match losing skid, just 6 wins in 10. Panna Udvardy has dropped 3 straight and sits at 3-7 over the last ten.
There's a wide gap in our ratings on hard, and our number follows from it. Udvardy comes in off a compressed schedule. Mertens should have enough here, though Udvardy has the tools to make the scoreboard uncomfortable.
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