Tennis predictions, July 17, 2026: Ruud vs. Cerundolo, Collignon vs. Vacherot

A spot in the next round is at stake on Friday, when Casper Ruud goes up against Juan Manuel Cerundolo in the Gstaad quarterfinal. Casper Ruud has dropped 2 straight and sits at 6-4 over the last ten. Juan Manuel Cerundolo comes in at 7 wins from the last ten.

Juan Manuel Cerundolo has had the better of this rivalry, winning 2 of 2 against Casper Ruud. On clay specifically it reads 2-0 Cerundolo — 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.

A spot in the next round is at stake on Friday, when Raphael Collignon goes up against Valentin Vacherot in the Gstaad quarterfinal. Raphael Collignon comes in at 6 wins from the last ten. Valentin Vacherot is rolling — 3 straight wins, 6 of 10 in recent play.

This is the first career meeting between the two, which means no head-to-head baggage on either side of the net.

The underlying stats are tight across the board — this is a matchup decided by a handful of points. This one is close to a coin flip, and the lean toward Collignon is exactly that — a lean.

A spot in the next round is at stake on Friday, when Alejandro Tabilo goes up against Thiago Agustin Tirante in the Bastad quarterfinal. Thiago Agustin Tirante has won 6 of the last 10. Alejandro Tabilo limps in on a 4-match losing skid, just 5 wins in 10.

The ledger favors Alejandro Tabilo, 4-1 across their 5 meetings with Thiago Agustin Tirante. On clay specifically it reads 4-0 Tabilo — worth more than the overall number this week.

On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. Tabilo comes in off a compressed schedule. A tiebreak or two would surprise nobody, with Tirante fractionally more likely to land the big points.

Luciano Darderi and Nuno Borges meet in the quarterfinal at Bastad on Friday. Luciano Darderi is 5-5 across recent matches. Nuno Borges has won 6 of the last 10.

The ledger favors Nuno Borges, 2-0 across their 2 meetings with Luciano Darderi.

Luciano Darderi simply rates much higher on clay, and our number follows from it. This one is close to a coin flip, and the lean toward Darderi is exactly that — a lean.

A spot in the next round is at stake on Friday, when Arthur Rinderknech goes up against Stefanos Tsitsipas in the Gstaad quarterfinal. Arthur Rinderknech is 5-5 across recent matches. Stefanos Tsitsipas has won 4 of the last 10.

Stefanos Tsitsipas leads the head-to-head 2-0, and history has a way of mattering in matchups like this one.

Neither the serve numbers nor the ratings separate these two by much, which is why our number stays close to even. Little separates them; Rinderknech gets the nod on the finest of margins.

A spot in the next round is at stake on Friday, when Panna Udvardy goes up against Paula Badosa in the Iasi quarterfinal. Paula Badosa has won 6 in a row and 8 of the last 10 overall. Panna Udvardy has won 4 of the last 10.

The two have never played — a first meeting always adds a layer of uncertainty the numbers can't fully capture.

Badosa's 65.2% behind the first serve (against 62.1% for Udvardy) means break chances should be scarce in one direction. Udvardy comes in off a compressed schedule; Badosa comes in off a compressed schedule. Little separates them; Badosa gets the nod on the finest of margins.

Friday's Bastad quarterfinal pits Andrey Rublev against Sebastian Baez on clay. Andrey Rublev has dropped 3 straight and sits at 6-4 over the last ten. Sebastian Baez has won 6 of the last 10.

Sebastian Baez has had the better of this rivalry, winning 1 of 1 against Andrey Rublev. On clay specifically it reads 1-0 Baez — worth more than the overall number this week.

Rublev's 74.2% behind the first serve (against 65.1% for Baez) means break chances should be scarce in one direction. Rublev comes in off a compressed schedule; Baez comes in off a compressed schedule. Little separates them; Rublev gets the nod on the finest of margins.

A spot in the next round is at stake on Friday, when Daniel Merida Aguilar goes up against Roman Andres Burruchaga in the Umag semifinal. Daniel Merida Aguilar is 5-5 across recent matches. Roman Andres Burruchaga has won 3 of the last 10.

There is no history here: this is their first tour-level meeting.

Daniel Merida Aguilar simply rates much higher on clay, and our number follows from it. Aguilar comes in off a compressed schedule; Burruchaga arrives with very little recovery time. This one is close to a coin flip, and the lean toward Aguilar is exactly that — a lean.

A spot in the next round is at stake on Friday, when Alexander Bublik goes up against Quentin Halys in the Gstaad round of 16. Alexander Bublik has won 6 of the last 10. Quentin Halys comes in at 5 wins from the last ten.

There is no history here: this is their first tour-level meeting.

Neither the serve numbers nor the ratings separate these two by much, which is why our number stays close to even. Little separates them; Bublik gets the nod on the finest of margins.

Friday's Iasi quarterfinal pits Mayar Sherif against Yulia Putintseva on clay. Yulia Putintseva is 7-3 across recent matches. Mayar Sherif is rolling — 6 straight wins, 8 of 10 in recent play.

This is the first career meeting between the two, which means no head-to-head baggage on either side of the net.

On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. Little separates them; Putintseva gets the nod on the finest of margins.

Petra Marcinko and Tamara Zidansek meet in the quarterfinal at Iasi on Friday. Petra Marcinko has won 6 of the last 10. Tamara Zidansek has won 6 of the last 10.

Petra Marcinko has had the better of this rivalry, winning 1 of 1 against Tamara Zidansek. On clay specifically it reads 1-0 Marcinko — worth more than the overall number this week.

Marcinko's 64.1% behind the first serve (against 58.1% for Zidansek) means break chances should be scarce in one direction. This one is close to a coin flip, and the lean toward Marcinko is exactly that — a lean.

Daniel Vallejo and Stefano Travaglia meet in the quarterfinal at Bastad on Friday. Daniel Vallejo is rolling — 3 straight wins, 6 of 10 in recent play. Stefano Travaglia is 6-4 across recent matches.

The two have never played — a first meeting always adds a layer of uncertainty the numbers can't fully capture.

Daniel Vallejo simply rates much higher on clay, and our number follows from it. This one is close to a coin flip, and the lean toward Vallejo is exactly that — a lean.

A spot in the next round is at stake on Friday, when Alex Molcan goes up against Damir Dzumhur in the Umag semifinal. Alex Molcan comes in at 6 wins from the last ten. Damir Dzumhur has won 3 in a row and 5 of the last 10 overall.

The ledger favors Damir Dzumhur, 1-0 across their 1 meetings with Alex Molcan.

Alex Molcan is clearly higher-rated on clay — our number puts Molcan around 63%. Molcan should have enough here, though Dzumhur has the tools to make the scoreboard uncomfortable.

Friday's Iasi quarterfinal pits Clara Burel against Oleksandra Oliynykova on clay. Oleksandra Oliynykova is 6-4 across recent matches. Clara Burel is 4-6 across recent matches.

The two have never played — a first meeting always adds a layer of uncertainty the numbers can't fully capture.

Oleksandra Oliynykova simply rates much higher on clay, and our number follows from it. Little separates them; Oliynykova gets the nod on the finest of margins.

Friday's Gstaad round of 16 pits Alexander Shevchenko against Dominic Stricker on clay. Dominic Stricker comes in at 6 wins from the last ten. Alexander Shevchenko comes in at 5 wins from the last ten.

The two have never played — a first meeting always adds a layer of uncertainty the numbers can't fully capture.

The serve is where this match separates: Stricker has been winning 75.6% of first-serve points to Shevchenko's 70.1%, and on clay that gap compounds fast. A tiebreak or two would surprise nobody, with Stricker fractionally more likely to land the big points.