The best seeds largely held their land on day 5 in Cincinnati, with Jannik Sinner who extended his hard-judgment to 22 matches by warding off Canadian No. 1 Gabriel Diallo in straight sets.
Taylor Fritz kept his serve spotless to move past Lorenzo Sonego, while Frances Tiefoe and Holger Rune both advanced with straight wins to set up an re -match from last year’s semi -finals.
Benjamin Bonzi produced today’s largest scoreboard and took out Stefano’s Tsitsipas in three sets to continue the Greek gloomy summer swing.
Adrian Mannarino’s upset by Tommy Paul also adds a mixed day for the American contingent, although six American men remain in a draw.
This is how day played five.
Day 5 at an overview:
- Farthest match: Mannarino d. Paul – 2h 43m
- Fastest win: Atmane d. Fonseca – 78m
- Greatest upset: Bonzi D. Tsitsipas (25)
- Americans left: 6 (Sinner’s Half: Fritz, Tiefoe; Alcaraz’s Half: Shelton, Brooksby, Opelka, Nakashima)
- Seeds out: Tsitipas (25), Paul (13)
- Match points saved: Sinner – 1 (vs Diallo in 2nd set TB)
Day five cincinnati open 2025 round of 32 results
| Winner | Loser | Results line |
|---|---|---|
| Jannik Sinner (1) | Gabriel Diallo (30) | 6-2 7-6 (6) |
| Adrian Mannarino (Q) | Tommy Paul (13) | 5-7 6-3 6-4 |
| Happy Auger-Aliassime (23) | Arthur Rinderknech | 7-6 (4) 4-2 RET |
| Benjamin Bonzi | Stefanos Tsitsipas (25) | 6-7 (4) 6-3 6-4 |
| Taylor Fritz (4) | Lorenzo Sonego (31) | 7-6 (4) 7-5 |
| Terence Atmane (Q) | João Fonseca | 6-3 6-4 |
| Frances tiafoe (10) | Ugo Humbert (20) | 6-4 6-4 |
| Holger Rune (7) | Alex Michelsen (28) | 7-6 (4) 6-3 |
Key matches
Jannik Sinner Def. Gabriel Dialo, 6-2, 7-6 (6)
World No. 1 Jannik Sinner overcame a fire alarm break to defeat Gabriel Diallo 6-2, 7-6 (6).
The defending champion collected from 0-2 in the first set to win six straight matches and then saved a set value in the second set of tiebreak with a burning pre-return.
Sinner put his 21-match hard court line and 45-0 record against players outside the top 20 on the line against Diallo, and despite home support and 10 ESS, the Italian kept moving into round 4.
DIALLOS 10 Double errors and 5/32 other serving points turned out to be costly as he sinner
Sinners are now facing the qualification Adrian Mannarino Next, who upset Tommy Paul. Can the Frenchman disturb his game with his playing style?
Taylor Fritz Def. Lorenzo Sonego, 7-6 (4), 7-5
Taylor Fritz drove into the fourth round with a 7-6 (4), 7-5 victory over Lorenzo Sonego, and shrugged off a 75-minute power outage delay in a two-hour eight minute battle.
The fourth seed, unbeaten on serving in Cincinnati, did not meet any breakpoints and dressed the decisive break of 5-5 in the second set to move on.
Fritz meets Terence Atmane next, after the French qualification took out João Fonseca in straight sets.
Benjamin Bonzi Def. Stefanos Tsitsipas, 6-7 (4), 6-3, 6-4
Benjamin Bonzi upset eighth seeds Stefano’s Tsitsipas 6-7 (4), 6-3, 6-4 to reach Cincinnati open the fourth round and continues the Greek North American tough judicial struggle with only four wins over 2025’s hard drivers 1000s so far.
Like Medvedev’s loss, it seems almost like an incorrect notification to call this an upset because Tsitsipas is in horrible form and you do not feel sure he will win against someone in the top 500.
Atmane meets the next Félix Auger-Aliassime, after he continued when Rinderknech retired in the second set.
Highlights
Cincinnati Open 2025 Day 6 round of 32 matches
- Ben Shelton (5) vs. Roberto Bautista Agut
- Jiri Lehecka (22) vs Adam Walton
- Karen Khachanov (14) vs. Jenson Brooksby (WC)
- Brandon Nakashima (27) vs Alexander Zverev (3)
- Reilly Opelka vs Francisco Comesana
- Alexei Popyrin (21) vs Andrey Rublev (9)
- Jakub Penik (16) against Luca Nardi (LL)
- Hamad Medjedovic vs. Carlos Alcaraz (2)
