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石井 大

石井 大

League rating

Conservative rating used for standings

New estimate
11.0displayed rating
Your rating 11.0
Est. DUPR 3.77
-15142

Skill estimate

31.0

Uncertainty held back

−20.0

Est. DUPR

3.77

Official DUPR

—

Not synced

⚖️Balanced partner tendency
Men's Doubles
+0.07 DUPR
10
±9
Estimated DUPR
3.96
Mixed Doubles
+0.01 DUPR
8
±9
Estimated DUPR
3.91
Gym
+0.05 DUPR
10
±9
Estimated DUPR
3.95

Rating History

The shaded area represents rating uncertainty. Narrower bands indicate higher confidence.

Best Doubles Partners

Predicted

Weak Against

Predicted

Recent Matches

...load previous matches
石井 大
石井
+1.82
8
WIN
Ken けん
Ken
-1.03
Sean 将太郎
Sean
-1.13
7
9/14/2026
Upset
石井 大
石井
-0.34
Ken けん
Ken
-0.19
4
LOSS
Sean 将太郎
Sean
+0.21
10
9/14/2026
96%
石井 大
石井
+1.19
6
WIN
Jose Mari
Jose
-0.78
Sean 将太郎
Sean
-0.72
5
9/14/2026
Even
石井 大
石井
+1.01
11
WIN
Theo Kai Lee
Theo
-1.74
Sean 将太郎
Sean
-0.60
3
9/14/2026
Even
石井 大
石井
+1.60
Sean 将太郎
Sean
+0.94
8
WIN
Ken けん
Ken
-0.84
7
9/14/2026
Upset