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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
+0.85
よし
よし
+0.56
8
WIN
9/2/2026
72%
LOSS
Mikie
Mikie
+0.64
Aya
Aya
+0.59
8
9/2/2026
55%
後藤 求(Motomu Goto)
後藤
+0.75
石井 大
石井
+1.26
9
WIN
Mikie
Mikie
-0.62
Seiji.M
Seiji.M
-0.80
4
9/2/2026
64%
石井 大
石井
+1.36
Aya
Aya
+0.59
9
WIN
Ken
Ken
-1.30
K
Kuma
-0.72
7
9/2/2026
59%
石井 大
石井
+1.73
よし
よし
+1.04
11
WIN
1
9/2/2026
Upset