US OpenHard1/8-finals1 Sep 2025 · 20:25
N. Osaka
#15 · Japan
VS
C. Gauff
#3 · 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. Form is mixed — DS ranging from -12.9 to 14.5, with at least one match where N. Osaka was clearly outplayed. The serve has been a concern — averaging only 6.1/10, leaving N. Osaka vulnerable on second serve and facing frequent return pressure. Break point efficiency is a red flag — N. Osaka has been losing the important points, with a BP efficiency of -10 over recent matches.

DS 3.57Trend mixed

C. Gauff comes in with a 4–1 record over recent matches, with wins against quality opposition in the top 29 on average. Point margins have been modest — DS averaging +6.0. Wins have been functional rather than dominant. The serve has been a concern — averaging only 5.6/10, leaving C. Gauff vulnerable on second serve and facing frequent return pressure.

DS 5.96Trend up

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 converted30%
BP saved60%
Aces7
Double faults1
1st serve %60%
1st serve won70%
2nd serve won40%
BP converted50%
BP saved60%
Aces4
Double faults6

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