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Tak Khunn Wang vs. Issei Okamura - H2H matches
| 06.08.18 | qual. | Tak Khunn Wang | Issei Okamura | 6-1, 6-2 | match details |  Jinan Challenger | Hard |
Tak Khunn Wang form & Issei Okamura form
Tak Khunn Wang - last matches
 M15 Grenoble - I. hard | ||||
| 12.02.22 1/2 | vs. Sascha Gueymard Wayenburg | 1-6, 7-65, 4-6 |  | match details |
| 11.02.22 1/4 | vs. Baptiste Crepatte | 6-3, 6-4 |  | match details |
| 10.02.22 2nd round | vs. Yannick Mertens | 6-3, 6-1 | | match details |
| 08.02.22 1st round | vs. Philip Florig | 6-0, 3-6, 6-2 | | match details |
| M25 Villers - I. hard | ||||
| 10.11.21 1st round | vs. Maxence Broville | 1-6, 2-6 | | match details |
| M25 Saint - I. hard | ||||
| 05.11.21 1/4 | vs. Louis Wessels | 7-64, 6-74, 2-6 | | match details |
| 04.11.21 2nd round | vs. Matt Ponchet | 6-2, 6-4 | | match details |
| 03.11.21 1st round | vs. Leopold Zima | 7-63, 6-0 | | match details |
| M25 Sarreguemines - Carpet | ||||
| 27.10.21 1st round | vs. Antoine Bellier | 4-6, 6-2, 3-6 | | match details |
 M25 Frankfurt - Clay | ||||
| 10.08.21 1st round | vs. Mick Veldheer | 3-6, 3-4, - Tak Khunn Wang - retired | | match details |
| M25 Uriage - Clay | ||||
| 15.07.21 2nd round | vs. Arthur Fils | 1-6, - Tak Khunn Wang - retired | | match details |
| 14.07.21 1st round | vs. Mohamed Nazim Makhlouf | 7-5, 6-1 | | match details |
 M15 Shymkent - Clay | ||||
| 28.05.21 1/4 | vs. Sanjar Fayziev | - | | match details |
| 27.05.21 2nd round | vs. Louroi Martinez | 6-3, 5-7, 7-5 | | match details |
| 25.05.21 1st round | vs. Dostanbek Tashbulatov | 6-1, 6-0 | | match details |
 Salinas 2 - Hard | ||||
| 29.04.21 2nd round | vs. Hiroki Moriya | 0-6, 6-73 | | match details |
| 28.04.21 1st round | vs. Nick Chappell | 3-6, 6-1, 7-5 | | match details |
| 27.04.21 qual. | vs. Nicolas Alvarez | 7-66, 6-4 | | match details |
| 26.04.21 q 1 | vs. Alejandro Gonzalez | 6-2, 3-6, 6-2 | | match details |
| Salinas Challenger - Hard | ||||
| 21.04.21 2nd round | vs. Camilo Ugo Carabelli | 1-6, 1-6 | | match details |
| 20.04.21 1st round | vs. Marek Gengel | 6-2, 6-3 | | match details |
| 19.04.21 qual. | vs. Alejandro Gonzalez | 6-2, 1-6, 6-0 | | match details |
| 18.04.21 q 1 | vs. David Poljak | 6-3, 6-3 | | match details |
| M25 Meerbusch - Clay | ||||
| 15.04.21 2nd round | vs. Peter Heller | 1-6, 3-6 | | match details |
| 13.04.21 1st round | vs. Marvin Moeller | 6-4, 6-3 | | match details |
 Split 1 - Clay | ||||
| 04.04.21 q 1 | vs. Akira Santillan | 6-4, 1-6, 6-73 | | match details |
| Lille Challenger - I. hard | ||||
| 22.03.21 qual. | vs. Matteo Martineau | 5-7, 5-7 | | match details |
| 21.03.21 q 1 | vs. Antoine Escoffier | 5-7, 6-4, 6-4 | | match details |
| M15 Poitiers - I. hard | ||||
| 17.03.21 1st round | vs. Kenny de Schepper | - | | match details |
 M25 Vale - Hard | ||||
| 13.03.21 1/2 | vs. Sebastian Fanselow | 1-6, 3-6 | | match details |
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 |
