French Open predictions, May 31, 2026: Swiatek vs. Kostyuk, Ruud vs. Fonseca

Sunday's French Open round of 16 pits Alexander Zverev against Jesper De Jong on clay. Alexander Zverev is rolling — 9 straight wins, 9 of 10 in recent play. Jesper De Jong is rolling — 4 straight wins, 4 of 10 in recent play.

Alexander Zverev leads the head-to-head 3-0, and history has a way of mattering in matchups like this one. On clay specifically it reads 3-0 Zverev — worth more than the overall number this week.

Alexander Zverev simply rates much higher on clay, and our number follows from it. Jong needs several things to break right at once; the percentages say they usually don't.

Andrey Rublev and Jakub Mensik meet in the round of 16 at French Open on Sunday. Jakub Mensik is rolling — 6 straight wins, 7 of 10 in recent play. Andrey Rublev has won 5 in a row and 8 of the last 10 overall.

Jakub Mensik leads the head-to-head 3-0, and history has a way of mattering in matchups like this one. On clay specifically it reads 1-0 Mensik — worth more than the overall number this week.

Neither the serve numbers nor the ratings separate these two by much, which is why our number stays close to even. Rublev needs several things to break right at once; the percentages say they usually don't.

Sunday's French Open round of 16 pits Jil Teichmann against Mirra Andreeva on clay. Mirra Andreeva has won 10 in a row and 10 of the last 10 overall. Jil Teichmann is rolling — 5 straight wins, 8 of 10 in recent play.

Mirra Andreeva has had the better of this rivalry, winning 1 of 1 against Jil Teichmann. On clay specifically it reads 1-0 Andreeva — worth more than the overall number this week.

There's a wide gap in our ratings on clay, and our number follows from it. Teichmann needs several things to break right at once; the percentages say they usually don't.

A spot in the next round is at stake on Sunday, when Iga Swiatek goes up against Marta Kostyuk in the French Open round of 16. Iga Swiatek brings a 3-match winning streak into this one, 8-2 across the last ten. Marta Kostyuk is rolling — 7 straight wins, 9 of 10 in recent play.

Iga Swiatek leads the head-to-head 4-1, and history has a way of mattering in matchups like this one. On clay they're dead even at 1-1 — worth more than the overall number this week.

On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. The edge belongs to Swiatek — real, but not the kind you take for granted at this level.

A spot in the next round is at stake on Sunday, when Belinda Bencic goes up against Elina Svitolina in the French Open round of 16. Elina Svitolina brings a 4-match winning streak into this one, 9-1 across the last ten. Belinda Bencic is rolling — 4 straight wins, 7 of 10 in recent play.

The ledger favors Elina Svitolina, 5-2 across their 7 meetings with Belinda Bencic. On clay they're dead even at 1-1 — worth more than the overall number this week.

There's a wide gap in our ratings on clay, and our number follows from it. This one is close to a coin flip, and the lean toward Svitolina is exactly that — a lean.

Casper Ruud and Joao Fonseca meet in the round of 16 at French Open on Sunday. Casper Ruud brings a 5-match winning streak into this one, 8-2 across the last ten. Joao Fonseca is rolling — 6 straight wins, 7 of 10 in recent play.

Joao Fonseca leads the head-to-head 1-0, and history has a way of mattering in matchups like this one. On clay specifically it reads 1-0 Fonseca — worth more than the overall number this week.

There's a wide gap in our ratings on clay, and our number follows from it. This one is close to a coin flip, and the lean toward Ruud is exactly that — a lean.