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Koki Yamakoshi

Koki Yamakoshi

League rating

Conservative rating used for standings

New estimate
-2.6displayed rating
Your rating -2.6
Est. DUPR 3.44
-15142

Skill estimate

22.4

Uncertainty held back

−25.0

Est. DUPR

3.44

Official DUPR

—

Not synced

⚖️Balanced partner tendency
Men's Doubles
-0.01 DUPR
-4
±9
Estimated DUPR
3.43
Gym
-0.01 DUPR
-4
±9
Estimated DUPR
3.43

Rating History

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

Strong Against

T
TOYODA.Y
2%

Weak Against

T　N
T　N
-3%

Recent Matches

T　N
T　N
-0.91
Koki Yamakoshi
Koki
-1.98
2
LOSS
雄一
雄一
+1.96
さやか
さやか
+0.65
10
4/26/2026
Even
Koki Yamakoshi
Koki
-1.62
Sean 将太郎
Sean
-0.54
3
LOSS
T
TOYODA.Y
+1.68
Takayuki Togawa
Takayuki
+1.71
6
4/26/2026
57%
Koki Yamakoshi
Koki
+1.17
SHIN
SHIN
+0.33
8
WIN
shuhei
shuhei
-0.68
桝田舞
桝田舞
-1.20
7
4/26/2026
80%
Koki Yamakoshi
Koki
-1.62
Takayuki Togawa
Takayuki
-1.72
5
LOSS
L
Lynette
+1.65
Nobuyasu Kenichi
Nobuyasu
+1.71
9
4/26/2026
Even
Koki Yamakoshi
Koki
+1.52
Nobuyasu Kenichi
Nobuyasu
+1.60
8
WIN
T
TOYODA.Y
-1.56
Katsuyuki Tanaka
Katsuyuki
-1.67
6
4/26/2026
59%