Tennis predictions, September 26, 2026: Harris vs Vacherot, Halys vs Safiullin

Saturday's Chengdu round of 16 pits Lloyd Harris against Valentin Vacherot on hard. Valentin Vacherot has won 5 of the last 10. Lloyd Harris has won 6 of the last 10.

Valentin Vacherot simply rates much higher on hard, and our number follows from it. Vacherot should have enough here, though Harris has the tools to make the scoreboard uncomfortable.

Quentin Halys and Roman Safiullin meet in the round of 16 at Hangzhou on Saturday. Roman Safiullin comes in at 6 wins from the last ten. Quentin Halys limps in on a 2-match losing skid, just 6 wins in 10.

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.

Alejandro Davidovich Fokina and Juan Manuel Cerundolo meet in the round of 16 at Chengdu on Saturday. Alejandro Davidovich Fokina has won 8 of the last 10. Juan Manuel Cerundolo comes in at 5 wins from the last ten.

Alejandro Davidovich Fokina is clearly higher-rated on hard — our number puts Fokina around 61%. Fokina should have enough here, though Cerundolo has the tools to make the scoreboard uncomfortable.

Alina Korneeva and Taylah Preston meet in the quarterfinal at Seoul on Saturday. Alina Korneeva comes in at 5 wins from the last ten. Taylah Preston comes in at 7 wins from the last ten.

Hold strength tells the story — 63.7% versus 59.4% on first-serve points in Korneeva's favor. This one is close to a coin flip, and the lean toward Korneeva is exactly that — a lean.

Saturday's Chengdu round of 16 pits Hubert Hurkacz against Martin Damm on hard. Hubert Hurkacz comes in at 7 wins from the last ten. Martin Damm comes in at 4 wins from the last ten.

Hubert Hurkacz is clearly higher-rated on hard — our number puts Hurkacz around 66%. The edge belongs to Hurkacz — real, but not the kind you take for granted at this level.

Daniil Medvedev and Valentin Royer meet in the round of 16 at Hangzhou on Saturday. Daniil Medvedev comes in at 5 wins from the last ten. Valentin Royer comes in at 7 wins from the last ten.

Medvedev's 72.8% behind the first serve (against 26.2% for Royer) means break chances should be scarce in one direction. Royer needs several things to break right at once; the percentages say they usually don't.

Kamil Majchrzak and Y. Bu meet in the round of 16 at Hangzhou on Saturday. Kamil Majchrzak is 4-6 across recent matches. Y. Bu comes in at 6 wins from the last ten.

On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. A tiebreak or two would surprise nobody, with Majchrzak fractionally more likely to land the big points.

A spot in the next round is at stake on Saturday, when Talia Gibson goes up against Tatiana Prozorova in the Singapore semifinal. Tatiana Prozorova has won 3 in a row and 7 of the last 10 overall. Talia Gibson comes in at 4 wins from the last ten.

On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. A tiebreak or two would surprise nobody, with Prozorova fractionally more likely to land the big points.

Saturday's Singapore semifinal pits Leylah Fernandez against Maja Chwalinska on hard. Leylah Fernandez has won 6 of the last 10. Maja Chwalinska has won 4 of the last 10.

Hold strength tells the story — 64.8% versus 58% on first-serve points in Fernandez's favor. This one is close to a coin flip, and the lean toward Fernandez is exactly that — a lean.

A spot in the next round is at stake on Saturday, when Coleman Wong goes up against Daniel Vallejo in the Hangzhou round of 16. Coleman Wong has won 4 of the last 10. Daniel Vallejo comes in at 4 wins from the last ten.

Hold strength tells the story — 73.7% versus 65% on first-serve points in Wong's favor. Little separates them; Wong gets the nod on the finest of margins.

Saturday's Seoul semifinal pits Alina Korneeva against Maya Joint on hard. Alina Korneeva is 5-5 across recent matches. Maya Joint has won 5 of the last 10.

Korneeva's 63.7% behind the first serve (against 60% for Joint) means break chances should be scarce in one direction. A tiebreak or two would surprise nobody, with Korneeva fractionally more likely to land the big points.

A spot in the next round is at stake on Saturday, when Katie Volynets goes up against Kimberly Birrell in the Seoul quarterfinal. Katie Volynets is 7-3 across recent matches. Kimberly Birrell is 4-6 across recent matches.

Neither the serve numbers nor the ratings separate these two by much, which is why our number stays close to even. Birrell comes in off a compressed schedule. This one is close to a coin flip, and the lean toward Volynets is exactly that — a lean.

Saturday's Seoul quarterfinal pits Lanlana Tararudee against Maya Joint on hard. Lanlana Tararudee is 7-3 across recent matches. Maya Joint is 5-5 across recent matches.

Tararudee's 67.5% behind the first serve (against 60% for Joint) means break chances should be scarce in one direction. Expect resistance, but the match-level math tilts clearly toward Tararudee.

Saturday's Seoul quarterfinal pits Anna Bondar against Elena Gabriela Ruse on hard. Elena Gabriela Ruse comes in at 5 wins from the last ten. Anna Bondar comes in at 5 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. Bondar comes in off a compressed schedule; Ruse comes in off a compressed schedule. A tiebreak or two would surprise nobody, with Ruse fractionally more likely to land the big points.

A spot in the next round is at stake on Saturday, when Alexandre Muller goes up against Federico Cina in the Chengdu round of 16. Alexandre Muller is 4-6 across recent matches. Federico Cina is 2-8 across recent matches.

On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. A tiebreak or two would surprise nobody, with Muller fractionally more likely to land the big points.