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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
+1.08
Yuki S
Yuki
+1.26
8
WIN
Theo Kai Lee
Theo
-1.86
Jose Mari
Jose
-0.67
4
9/14/2026
Even
石井 大
石井
-1.02
4
LOSS
J
J
+0.70
Sean 将太郎
Sean
+0.58
7
9/14/2026
63%
石井 大
石井
-0.99
Sean 将太郎
Sean
-0.55
3
LOSS
Ken けん
Ken
+0.49
7
9/14/2026
68%
石井 大
石井
-1.22
Sean 将太郎
Sean
-0.67
4
LOSS
Ken けん
Ken
+0.59
11
9/14/2026
55%
石井 大
石井
+1.33
Ken けん
Ken
+0.62
10
WIN
Yuko
Yuko
-1.37
4
9/14/2026
Even