US OpenHardSemi-finals21 Aug 2025 · 22:10
S. Mochizuki
#127 · Japan
VS
R. A. Burruchaga
#77 · Argentina

Odds

Market
Mochizuki
Burruchaga
Winner

Player analysis

S. Mochizuki comes into this match in difficult form — 2 wins from the last 5. Point statistics tell a concerning story — average DS of -0.6, meaning S. Mochizuki has been on the wrong side of most exchanges over five matches. The serve has been a concern — averaging only 5.6/10, leaving S. Mochizuki vulnerable on second serve and facing frequent return pressure.

DS -0.55Trend mixed

R. A. Burruchaga shows a 4–1 form record, though the level of opposition has been mixed — average ranking of opponents is 228. Matches have been close throughout — average DS of +2.1 with a downward trend. R. A. Burruchaga is winning on the scoreboard but not pulling away. The serve has been a concern — averaging only 5.8/10, leaving R. A. Burruchaga vulnerable on second serve and facing frequent return pressure. Good performance in key moments — break point efficiency of +13 over the last five.

DS 2.08Trend down

Recent form

Hard court stats

Mochizuki
Stat
Burruchaga
52%
Win rate
54.2%
129–119
W–L
26–22

Avg stats — last 5

1st serve %50%
1st serve won70%
2nd serve won50%
BP converted60%
BP saved50%
Aces3
Double faults7
1st serve %60%
1st serve won70%
2nd serve won50%
BP converted50%
BP saved60%
Aces2
Double faults8

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 20
Clay 01
S. Mochizuki vs R. A. Burruchaga head to head match history
DateTournamentSurfaceRoundWinnerScore
US OpenHardSemi-finalsMochizuki6-4 1-6 6-4
MauthausenClay1/8-finalsBurruchaga6-4 6-2
ATP US OpenHardSemi-finalsMochizuki6-3 6-2