Head 2 Head
Win Loss Stats
Yamasaki
LLWWLWWLWL
Okamura
LLLWWLWWLW
2025
2024
2023
20 - 11
17 - 12
11-8
Hard
17-10
7-2
I Hard
0-0
2-1
Clay
0-2
-
- J.Yamasaki (PR)
- I.Okamura (q)
- 6-3 6-4
- 1st
-
-
22 Apr 25
-
M15 Osaka -
-
Hard
-
-
-
18 Mar 24
-
M15 Nishi-Tokyo -
-
Hard
-
-
- I.Okamura (q)
- J.Yamasaki (SE)
- 4-6 7-5 6-1
- 1st
-
-
11 Apr 19
-
M25 Matsuyama -
-
Hard
-
-
- J.Yamasaki (SE)
- I.Okamura (WC)
- 6-3 6-2
- 2nd
-
-
04 Apr 19
-
M15 Kashiwa -
-
Hard
-
-
- J.Yamasaki
- I.Okamura (5)
- 4-6 6-2 6-4
- 2nd
-
-
07 Sep 16
-
Thailand F3 -
-
Hard
-
Jumpei Yamasaki
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2025 | 20-11 | 11-8 | 2-1 | 7-2 | 0-0 | 0-0 |
| 2024 | 14-11 | 14-11 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2023 | 16-13 | 12-12 | 4-1 | 0-0 | 0-0 | 0-0 |
| 2022 | 25-13 | 25-13 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2021 | 9-17 | 7-11 | 2-6 | 0-0 | 0-0 | 0-0 |
| 2020 | 1-4 | 1-3 | 0-0 | 0-1 | 0-0 | 0-0 |
| 2019 | 38-20 | 33-14 | 0-3 | 4-2 | 0-0 | 1-1 |
| 2018 | 42-33 | 37-29 | 2-1 | 3-3 | 0-0 | 0-0 |
| 2017 | 19-26 | 17-20 | 0-2 | 2-2 | 0-0 | 0-2 |
| 2016 | 44-24 | 38-21 | 6-3 | 0-0 | 0-0 | 0-0 |
| 2015 | 18-9 | 6-3 | 7-5 | 0-0 | 0-0 | 5-1 |
| 2014 | 7-4 | 3-2 | 4-2 | 0-0 | 0-0 | 0-0 |
| Total | 253-185 | 204-147 | 27-24 | 16-10 | 0-0 | 6-4 |
M15 Harmon
-
Colin SinclairC.SinclairAUS Loss
- 6-3 5-7 6-3
- 1st
-
11 Jun 25
M15 Karuizawa
-
Sora FukudaS.FukudaJPN Loss
- 6-1 6-3
- 1/4
-
06 Jun 25
-
Junhyun LeeJ.LeeKOR
- 6-2 6-3
- 2nd
-
05 Jun 25
-
Yamato YukawaY.YukawaJPN
- 6-0 6-1
- 1st
-
04 Jun 25
M15 Luan
-
Taiyo YamanakaT.YamanakaJPN Loss
- 6-1 6-1
- 1/4
-
23 May 25
-
Zekai LiZ.LiCHN
- 3-6 6-4 6-0
- 2nd
-
22 May 25
-
Ye Cong MoY.MoCHN
- 7-66 ret.
- 1st
-
20 May 25
M15 Luan
-
Woobin ShinW.ShinKOR Loss
- 7-65 7-5
- 2nd
-
15 May 25
-
Xing Dao ChenX.ChenCHN
- 6-3 6-1
- 1st
-
13 May 25
M15 Osaka
-
Shintaro ImaiS.ImaiJPN Loss
- 6-4 6-1
- 1/2
-
26 Apr 25
Issei Okamura
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2025 | 17-12 | 17-10 | 0-2 | 0-0 | 0-0 | 0-0 |
| 2024 | 24-27 | 22-22 | 2-3 | 0-2 | 0-0 | 0-0 |
| 2023 | 18-24 | 17-18 | 0-4 | 1-2 | 0-0 | 0-0 |
| 2022 | 12-14 | 11-12 | 1-2 | 0-0 | 0-0 | 0-0 |
| 2021 | 8-10 | 8-8 | 0-2 | 0-0 | 0-0 | 0-0 |
| 2020 | 11-11 | 11-11 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2019 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2018 | 3-4 | 2-3 | 0-0 | 1-1 | 0-0 | 0-0 |
| 2017 | 2-6 | 1-2 | 0-1 | 0-1 | 0-0 | 1-2 |
| 2016 | 1-3 | 0-0 | 0-0 | 0-2 | 0-0 | 1-1 |
| 2015 | 1-4 | 1-3 | 0-0 | 0-1 | 0-0 | 0-0 |
| 2014 | 3-3 | 1-1 | 0-0 | 0-1 | 0-0 | 2-1 |
| Total | 100-118 | 91-90 | 3-14 | 2-10 | 0-0 | 4-4 |
M15 Karuizawa
-
Jay Dylan Hara FriendJ.FriendJPN Loss
- 6-3 6-2
- 1st
-
04 Jun 25
M25 Anning
-
Grigoriy LomakinG.LomakinKAZ Loss
- 6-4 6-75 7-66
- 1st
-
29 Apr 25
M15 Osaka
-
Jumpei YamasakiJ.YamasakiJPN Loss
- 6-3 6-4
- 1st
-
22 Apr 25
-
Ryuichiro NakanoR.NakanoJPN
- 6-1 6-1
- Q.
-
21 Apr 25
-
Kohei HayashiK.HayashiJPN
- 6-0 3-6 10-8
- q1
-
20 Apr 25
M15 Osaka
-
Yusuke KusuharaY.KusuharaJPN Loss
- 7-5 6-2
- 1st
-
16 Apr 25
-
Yuhei KonoY.KonoJPN
- 7-65 6-1
- Q.
-
15 Apr 25
-
Noritaka KoizumiN.KoizumiJPN
- 1-6 7-5 10-7
- q1
-
14 Apr 25
M15 Kashiwa
-
Keisuke SaitohK.SaitohJPN Loss
- 6-2 6-2
- 2nd
-
04 Apr 25
-
Yuhei KonoY.KonoJPN
- 6-2 6-1
- 1st
-
01 Apr 25
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