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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
9/5/2026
Even
石井 大
石井
+1.27
Ken けん
Ken
+0.73
7
WIN
Aya
Aya
-0.76
Sean 将太郎
Sean
-0.77
5
9/5/2026
Upset
9/5/2026
Even
石井 大
石井
+1.10
KUMI
KUMI
+0.85
7
WIN
Aya
Aya
-0.63
Shiori
Shiori
-1.03
1
9/5/2026
Even
石井 大
石井
-0.02
Akito
Akito
-0.05
8
DRAW
Keita
Keita
+0.05
Ken けん
Ken
+0.01
8
9/5/2026
Even