US OpenHard1/8-finals1 Sep 2025 · 20:25
N. Osaka
#16 · Japan
VS
C. Gauff
#4 · USA
OSAKA
2.2
·
GAUFF
1.75

Odds

Market
Osaka
Gauff
Winner
2.2
1.75

Player analysis

N. Osaka has been inconsistent recently, going 3–2 over the last five matches. Matches have been close throughout — average DS of +3.9 with a downward trend. N. Osaka is winning on the scoreboard but not pulling away. The serve has been a concern — averaging only 5.8/10, leaving N. Osaka vulnerable on second serve and facing frequent return pressure.

DS 3.85Trend down

C. Gauff comes in with a 4–1 record over recent matches, with wins against quality opposition in the top 25 on average. Form is mixed — DS ranging from -5.0 to 18.9, with at least one match where C. Gauff was clearly outplayed. The serve has been a concern — averaging only 5.8/10, leaving C. Gauff vulnerable on second serve and facing frequent return pressure.

DS 8.36Trend mixed

Recent form

Hard court stats

Osaka
Stat
Gauff
66.6%
Win rate
70.4%
219–110
W–L
176–74

Avg stats — last 5

1st serve %60%
1st serve won70%
2nd serve won50%
BP converted50%
BP saved50%
Aces4
Double faults4
1st serve %70%
1st serve won70%
2nd serve won40%
BP converted50%
BP saved60%
Aces1
Double faults3

Head to head

Career meetings between these two players (all tournaments), not only this event. The match at the top of the page is the current tournament fixture.

21
Hard 21
N. Osaka vs C. Gauff head to head match history
DateTournamentSurfaceRoundWinnerScore
US OpenHard1/8-finalsOsaka6-3 6-2
San JoseHard1/8-finalsGauff6-4 6-4
CincinnatiHard1/16-finalsOsaka6-4 3-6 4-6