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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.

August 25, 2026 results: 6-11 how our picks graded, match by match.

Juan Manuel Cerundolo vs. Sebastian Baez

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.

Win probability: 52% Cerundolo · Market: +134 · Sets: 3 (45%) · most likely score 2-0 (28%)

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 vs. Luciano Darderi

✓ Pick rightThis one lands on the correct side of the ledger: 52% on Botic Van De Zandschulp, who won 6-1 6-0.

Pick: Zandschulp

Win probability: 52% Zandschulp · Market: -141 · Sets: 3 (44%) · most likely score 2-0 (30%)

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.

Fabian Marozsan vs. Miomir Kecmanovic

✗ Pick wrongA miss: Miomir Kecmanovic at 51% lost to Fabian Marozsan (6-3 6-4).

Pick: Kecmanovic

Win probability: 51% Kecmanovic · Market: -126 · Sets: 2 (58%) · most likely score 2-0 (31%)

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.

Benjamin Bonzi vs. Rinky Hijikata

✓ Pick rightWe got this one right. Benjamin Bonzi was our 56% pick, and won 6-1 6-1.

Pick: Bonzi

Win probability: 56% Bonzi · Market: +105 · Sets: 3 (44%) · most likely score 2-0 (32%)

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 vs. Ignacio Buse

✗ Pick wrongMissed it. We had Daniel Altmaier at 51%, but Ignacio Buse won 7-6 7-5.

Pick: Altmaier

Win probability: 51% Altmaier · Market: +117 · Sets: 3 (48%) · most likely score 2-0 (26%)

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.

Anastasia Potapova vs. Nikola Bartunkova

Pick: Bartunkova

Win probability: 53% Bartunkova · Market: -179 · Sets: 3 (42%) · most likely score 2-0 (31%)

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.

James Duckworth vs. Lorenzo Sonego

✗ Pick wrongWe got this one wrong. Our final number was 56% on Lorenzo Sonego; James Duckworth won 7-5 6-3.

Pick: Sonego

Win probability: 56% Sonego · Market: -124 · Sets: 2 (58%) · most likely score 2-0 (34%)

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.

Diane Parry vs. Oleksandra Oliynykova

✓ Pick rightNailed it. We had Diane Parry at 51% before the match, and Diane Parry won 6-4 7-6.

Pick: Parry

Win probability: 51% Parry · Market: -214 · Sets: 3 (42%) · most likely score 2-0 (29%)

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.

Adrian Mannarino vs. Lorenzo Sonego

✓ Pick rightNailed it. We had Lorenzo Sonego at 57% before the match, and Lorenzo Sonego won 6-1 7-6.

Pick: Sonego

Win probability: 57% Sonego · Market: -131 · Sets: 2 (61%) · most likely score 2-0 (36%)

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.

Aleksandar Kovacevic vs. Stefanos Tsitsipas

✗ Pick wrongMissed it. We had Stefanos Tsitsipas at 62%, but Aleksandar Kovacevic won 6-3 7-6.

Pick: Tsitsipas

Win probability: 62% Tsitsipas · Market: -224 · Sets: 2 (61%) · most likely score 2-0 (39%)

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.

Ann Li vs. Maria Timofeeva

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.

Cristina Bucsa vs. Darja Vidmanova

✗ Pick wrongWe got this one wrong. Our final number was 58% on Cristina Bucsa; Darja Vidmanova won 6-4 7-5.

Pick: BucsaUpset call

Upset call: the market makes Vidmanova the favorite; our numbers say Bucsa.

Win probability: 58% Bucsa · Market: +130 · Sets: 2 (62%) · most likely score 2-0 (37%)

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.

Elise Mertens vs. Panna Udvardy

✓ Pick rightNailed it. We had Elise Mertens at 71% before the match, and Elise Mertens won 6-1 4-6 6-3.

Pick: Mertens

Win probability: 71% Mertens · Market: -342 · Sets: 2 (66%) · most likely score 2-0 (50%)

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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Updated Aug 25, 2026, 12:02 AM UTC. Picks are frozen before first serve and graded on the track record page — this page is never edited after the fact.

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