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Vitamin Kei

Vitamin Kei

Current Rating
5.4
Estimated DUPR
3.68
Men's Doubles
-1.5σ
1
±9
Estimated DUPR
3.61
Mixed Doubles
+0.6σ
7
±9
Estimated DUPR
3.81
Indoor Court (Indoor Ball)
+0.1σ
7
±8
Estimated DUPR
3.79

Rating History

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

Recent Matches

Vitamin Kei
Vitamin
+1.64
Yuko Kawaguchi
Yuko
+1.62
11
WIN
R
Reiko
-1.64
Kosuke Matsubara
Kosuke
-1.62
5
5/16/2026
59%
Vitamin Kei
Vitamin
-1.89
Akiko
Akiko
-1.87
5
LOSS
masuday
masuday
+1.87
Y
Yeongsoo
+1.89
11
5/16/2026
Vitamin Kei
Vitamin
+1.92
Y
Yeongsoo
+1.92
11
WIN
R
Reiko
-1.92
Saki
Saki
-1.92
6
5/16/2026
Vitamin Kei
Vitamin
+1.96
Saki
Saki
+1.96
11
WIN
Hideko
Hideko
-1.96
Akiko
Akiko
-1.96
9
5/16/2026