Hiroyuki Yamazaki

Current Rating

13.7

⚖️Balanced partner tendency

Men's Doubles

-0.2σ

±5

Mixed Doubles

-1.2σ

-1

±8

Hard Court

-1.7σ

±6

Indoor Court (Outdoor Ball)

+1.2σ

±5

Indoor Court (Indoor Ball)

-1.5σ

-4

±8

Rating History

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

Best Doubles Partners

Momoko Ohashi

12%

Predicted

Ralph

14%

Suganthan

13%

Akko

13%

Worst Doubles Partners

Brian

-4%

Predicted

nakao wataru

-16%

shuhei

-9%

sAkAi

-9%

Strong Against

11%

11%

Predicted

29%

27%

26%

Weak Against

Yako

-11%

哲平

-11%

Yuto Hirayama

-10%

Predicted

Ryota

-19%

Mike Zimmerman

-18%

Takeru

-18%

Recent Matches

Ryan

+0.50

Hiroyuki

+1.12

WIN

-0.47

-1.21

+0.50

+1.12

10-1

WIN

-0.47

Brian

-1.21

Shinichiro.信一郎

5/5/2026

67%

Hiroyuki

+1.70

Brian

+0.69

WIN

-0.73

-0.70

+1.70

+0.69

6-4

WIN

-0.73

-0.70

5/5/2026

-1.25

-1.83

LOSS

+1.76

+2.13

-1.25

-1.83

2-11

LOSS

+1.76

Yusuke

+2.13

Daniel

5/5/2026

Upset

Hiroyuki

+1.34

Yusuke

+1.93

WIN

-0.55

-1.42

+1.34

+1.93

10-5

WIN

-0.55

-1.42

5/5/2026

-0.74

-0.78

LOSS

+0.29

+1.09

-0.74

-0.78

4-10

LOSS

+0.29

Ryan

+1.09

Yako

5/5/2026

84%

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