Cincinnati predictions, August 19, 2026: Minaur vs. Fils, Kostyuk vs. Andreeva

Alex De Minaur and Arthur Fils meet in the round of 16 at Cincinnati on Wednesday. Arthur Fils is 6-4 across recent matches. Alex De Minaur is 7-3 across recent matches.

Fils's 74.2% behind the first serve (against 69% for Minaur) means break chances should be scarce in one direction. Little separates them; Fils gets the nod on the finest of margins.

Marta Kostyuk and Mirra Andreeva meet in the round of 16 at Cincinnati on Wednesday. Marta Kostyuk has won 8 of the last 10. Mirra Andreeva is 7-3 across recent matches.

The ledger favors Marta Kostyuk, 2-1 across their 3 meetings with Mirra Andreeva. On hard specifically it reads 1-0 Kostyuk — worth more than the overall number this week.

On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. This one is close to a coin flip, and the lean toward Kostyuk is exactly that — a lean.

Amanda Anisimova and Linda Noskova meet in the round of 16 at Cincinnati on Wednesday. Linda Noskova has won 8 of the last 10. Amanda Anisimova comes in at 6 wins from the last ten.

Hold strength tells the story — 69.3% versus 61.4% on first-serve points in Noskova's favor. This one is close to a coin flip, and the lean toward Noskova is exactly that — a lean.

A spot in the next round is at stake on Wednesday, when Frances Tiafoe goes up against Learner Tien in the Cincinnati round of 32. Learner Tien is 6-4 across recent matches. Frances Tiafoe comes in at 8 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. This one is close to a coin flip, and the lean toward Tien is exactly that — a lean.

Wednesday's Cincinnati round of 16 pits Alexander Zverev against Tommy Paul on hard. Alexander Zverev is 7-3 across recent matches. Tommy Paul is 6-4 across recent matches.

Zverev's 73.3% behind the first serve (against 69.4% for Paul) means break chances should be scarce in one direction. Zverev should have enough here, though Paul has the tools to make the scoreboard uncomfortable.

A spot in the next round is at stake on Wednesday, when Jessica Pegula goes up against Sorana Cirstea in the Cincinnati round of 16. Jessica Pegula comes in at 7 wins from the last ten. Sorana Cirstea comes in at 6 wins from the last ten.

Jessica Pegula simply rates much higher on hard, and our number follows from it. The edge belongs to Pegula — real, but not the kind you take for granted at this level.

A spot in the next round is at stake on Wednesday, when Diana Shnaider goes up against Elena Rybakina in the Cincinnati round of 16. Elena Rybakina is rolling — 3 straight wins, 8 of 10 in recent play. Diana Shnaider has won 7 of the last 10.

Rybakina's 70% behind the first serve (against 62.7% for Shnaider) means break chances should be scarce in one direction. If Rybakina plays anywhere close to a normal level, this ends in relatively comfortable fashion.

Wednesday's Cincinnati round of 16 pits Flavio Cobolli against Rafael Jodar on hard. Rafael Jodar has won 8 of the last 10. Flavio Cobolli has won 6 of the last 10.

There's a wide gap in our ratings on hard, and our number follows from it. The edge belongs to Jodar — real, but not the kind you take for granted at this level.

Jakub Mensik and Thiago Agustin Tirante meet in the round of 16 at Cincinnati on Wednesday. Jakub Mensik is 6-4 across recent matches. Thiago Agustin Tirante has won 3 in a row and 8 of the last 10 overall.

The serve is where this match separates: Mensik has been winning 76.7% of first-serve points to Tirante's 70.1%, and on hard that gap compounds fast. This one is close to a coin flip, and the lean toward Mensik is exactly that — a lean.

Brandon Nakashima and Nuno Borges meet in the round of 16 at Cincinnati on Wednesday. Brandon Nakashima has won 8 of the last 10. Nuno Borges is rolling — 3 straight wins, 7 of 10 in recent play.

Brandon Nakashima simply rates much higher on hard, and our number follows from it. Nakashima comes in off a compressed schedule. Nakashima should have enough here, though Borges has the tools to make the scoreboard uncomfortable.

Wednesday's Cincinnati round of 16 pits Coco Gauff against Marie Bouzkova on hard. Coco Gauff comes in at 8 wins from the last ten. Marie Bouzkova has won 7 of the last 10.

Hold strength tells the story — 65.8% versus 61.9% on first-serve points in Gauff's favor. Anything other than a Gauff win would rank among the bigger surprises of the week.

A spot in the next round is at stake on Wednesday, when Iva Jovic goes up against Marie Bouzkova in the Cincinnati round of 32. Iva Jovic comes in at 7 wins from the last ten. Marie Bouzkova is 7-3 across recent matches.

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

Wednesday's Cincinnati round of 16 pits Diane Parry against Iga Swiatek on hard. Iga Swiatek is rolling — 8 straight wins, 9 of 10 in recent play. Diane Parry is rolling — 3 straight wins, 5 of 10 in recent play.

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.