US OpenHardQuarter-finals18 Aug 2025 · 20:30
K. Day
#157 · USA
VS
E. Shibahara
#226 · Japan

Odds

Market
Day
Shibahara
Winner

Player analysis

K. Day has been inconsistent recently, going 3–2 over the last five matches. Point margins have been modest — DS averaging +7.9. Wins have been functional rather than dominant. The serve has been a concern — averaging only 5.9/10, leaving K. Day vulnerable on second serve and facing frequent return pressure.

DS 7.86Trend mixed

E. Shibahara comes into this match in difficult form — 1 wins from the last 5. Point statistics tell a concerning story — average DS of -3.6, meaning E. Shibahara has been on the wrong side of most exchanges over five matches. The serve has been a concern — averaging only 5.8/10, leaving E. Shibahara vulnerable on second serve and facing frequent return pressure. Break point efficiency is a red flag — E. Shibahara has been losing the important points, with a BP efficiency of -26 over recent matches.

DS -3.6Trend mixed

Recent form

Hard court stats

Day
Stat
Shibahara
55.2%
Win rate
51.8%
133–108
W–L
72–67

Avg stats — last 5

1st serve %70%
1st serve won60%
2nd serve won50%
BP converted50%
BP saved40%
Aces3
Double faults1
1st serve %60%
1st serve won70%
2nd serve won40%
BP converted30%
BP saved40%
Aces4
Double faults5