Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Hongkong
12.11.97, 27 years
12.11.97, 27 years
Issei Okamura vs. Chak Yin Chan - H2H matches
| 17.08.15 | q 1 | Issei Okamura | Chak Yin Chan | 6-2, 7-60 | match details | .png){kind=small} Chinese Taipei | Hard |
Issei Okamura form & Chak Yin Chan form
Issei Okamura - last matches
 M25 Anning - Clay | ||||
| 29.04.25 1st round | vs. Grigoriy Lomakin | 4-6, 7-65, 6-76 |  | match details |
 M15 Osaka - Hard | ||||
| 22.04.25 1st round | vs. Jumpei Yamasaki | 3-6, 4-6 | | match details |
| 21.04.25 qual. | vs. Ryuichiro Nakano | 6-1, 6-1 |  | match details |
| 20.04.25 q 1 | vs. Kohei Hayashi | 6-0, 3-6, 10-8 | | match details |
| M15 Osaka - Hard | ||||
| 16.04.25 1st round | vs. Yusuke Kusuhara | 5-7, 2-6 | | match details |
| 15.04.25 qual. | vs. Yuhei Kono | 7-65, 6-1 | | match details |
| 14.04.25 q 1 | vs. Noritaka Koizumi | 1-6, 7-5, 10-7 | | match details |
| M15 Kashiwa - Hard | ||||
| 04.04.25 2nd round | vs. Keisuke Saitoh | 2-6, 2-6 | | match details |
| 01.04.25 1st round | vs. Yuhei Kono | 6-2, 6-1 | | match details |
| 31.03.25 qual. | vs. Koki Matsuda | 2-6, 4-6 | | match details |
| 30.03.25 q 1 | vs. Ryo Minakata | 6-1, 6-2 | | match details |
| M15 Tsukuba - Hard | ||||
| 26.03.25 1st round | vs. Takuya Kumasaka | 5-7, 1-6 | | match details |
| 24.03.25 qual. | vs. Ryota Tanuma | 6-0, 7-5 | | match details |
| 23.03.25 q 1 | vs. Maxwell Benson | 7-5, 6-2 | | match details |
| M15 Nishi - Hard | ||||
| 19.03.25 1st round | vs. Ji Sung Nam | 1-6, 1-6 | | match details |
| 18.03.25 qual. | vs. Yu Maeda | 6-1, 6-4 | | match details |
| 17.03.25 q 1 | vs. Yuya Ando | 6-1, 6-4 | | match details |
| M15 Hinode - Hard | ||||
| 13.03.25 2nd round | vs. Hikaru Shiraishi | 2-6, 2-6 | | match details |
| 11.03.25 1st round | vs. Ryuji Tsutsumino | 6-4, 4-6, 6-2 | | match details |
 M25 Launceston - Hard | ||||
| 25.02.25 1st round | vs. Ji Sung Nam | 6-73, 3-6 | | match details |
| 24.02.25 qual. | vs. Adrian Arcon | 7-65, 6-1 | | match details |
| 23.02.25 q 1 | vs. Jesse Gothelf | 6-1, 6-3 | | match details |
| M25 Burnie - Hard | ||||
| 17.02.25 qual. | vs. Joshua Charlton | 1-6, 3-6 | | match details |
| 16.02.25 q 1 | vs. Charlie Pade | 6-2, 6-3 | | match details |
 M25 Timaru - Hard | ||||
| 13.02.25 2nd round | vs. Yu Hsiou Hsu | 1-6, 0-6 | | match details |
| 12.02.25 1st round | vs. Lev Gorb | 6-2, 6-1 | | match details |
| 10.02.25 qual. | vs. Stefan Storch | 6-4, 7-61 | | match details |
| 09.02.25 q 1 | vs. Yuan Hao Lin | 6-0, 6-1 | | match details |
| M25 Carrara - Hard | ||||
| 27.11.24 1st round | vs. Thomas Braithwaite | 3-6, 1-6 | | match details |
| 26.11.24 qual. | vs. Naoki Tajima | 4-6, 3-6 | | match details |
Chak Yin Chan - last matches
 M15 Hong - Hard | ||||
| 02.09.24 q 1 | vs. Hien Pham | 1-4, - Chak Yin Chan - retired | | match details |
| Hong Kong - Hard | ||||
| 30.06.18 q 1 | vs. Winter Meagher | 1-6, 0-6 | | match details |
| Hong Kong - Hard | ||||
| 23.06.18 q 1 | vs. Marcus Kallioniemi | 1-6, 4-6 | | match details |
| Hong Kong - Hard | ||||
| 06.06.16 q 1 | vs. Alexander Centenari | 5-7, 2-6 | | match details |
| Chinese Taipei - Hard | ||||
| 17.08.15 q 1 | vs. Issei Okamura | 2-6, 6-70 | | match details |
| Hong Kong - Hard | ||||
| 22.06.15 qual. | vs. Cheng-Peng Hsieh | 0-6, 4-6 | | match details |
| 22.06.15 q 1 | vs. Chak Pong Marco Lam | 6-3, 6-74, 6-4 | | match details |
| Hong Kong - Hard | ||||
| 15.06.15 q 1 | vs. Ching Yeung Michael Tam | 3-6, 7-5, 6-4 | | match details |
| 15.06.15 1st round | vs. Li-Wie Tan | 3-6, 1-6 | | match details |
| 15.06.15 qual. | vs. Andy Lau | 7-63, 2-6, 6-2 | | match details |
| Hong Kong - Hard | ||||
| 08.06.15 qual. | vs. Li-Wie Tan | 2-6, 0-6 | | match details |
| 08.06.15 q 1 | vs. Yu Hsiang Chiu | 3-6, 6-4, 6-3 | | match details |
