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石井 大

石井 大

League rating

Conservative rating used for standings

New estimate
9.9displayed rating
Your rating 9.9
Est. DUPR 3.77
-15142

Skill estimate

31.1

Uncertainty held back

−21.2

Est. DUPR

3.77

Official DUPR

—

Not synced

⚖️Balanced partner tendency
Men's Doubles
+0.05 DUPR
10
±7
Estimated DUPR
3.82
Mixed Doubles
+0.01 DUPR
9
±8
Estimated DUPR
3.78
Gym
+0.04 DUPR
10
±7
Estimated DUPR
3.81

Rating History

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

Best Doubles Partners

Worst Doubles Partners

Predicted

Strong Against

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