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
China
27.07.86, 38 years
27.07.86, 38 years
Kazuma Kawachi vs. Hai-Yun Tan - head to head matches
| 11.07.16 | q 2 | Kazuma Kawachi | Hai-Yun Tan | 6-0, 6-4 | match details |  China F12 | Clay |
Kazuma Kawachi form & Hai-Yun Tan form
Kazuma Kawachi - last matches
 M15 Villahermosa - I. hard | ||||
| 07.05.25 1st round | vs. Juan Carlos Manuel Aguilar | 0-6, - Kazuma Kawachi - retired |  | match details |
 M15 Osaka - Hard | ||||
| 22.04.25 1st round | vs. Hikaru Shiraishi | 6-4, 3-6, 1-6 | | match details |
| 21.04.25 qual. | vs. Yuhei Kono | 6-3, 6-1 |  | match details |
| 20.04.25 q 1 | vs. Riku Ooshima | 6-0, 6-0 | | match details |
| M15 Osaka - Hard | ||||
| 16.04.25 1st round | vs. Hoyoung Roh | 3-6, 6-4, 2-6 | | match details |
| 15.04.25 qual. | vs. Ren Nakamura | 6-2, 6-2 | | match details |
| 14.04.25 q 1 | vs. Antoine Voisin | 6-0, 6-2 | | match details |
| M15 Kashiwa - Hard | ||||
| 30.03.25 q 1 | vs. Riku Takahata | 6-3, 4-6, 4-10 | | match details |
 M25 Swan - Grass | ||||
| 19.03.25 1st round | vs. Noah Brownrigg | 4-6, 4-6 | | match details |
| M25 Mildura - Grass | ||||
| 12.03.25 1st round | vs. Duje Markovina | 2-6, 6-4, 4-6 | | match details |
| M15 Yanagawa - Hard | ||||
| 30.10.24 1st round | vs. Kazuki Sugimoto | 2-6, 2-2, - Kazuma Kawachi - retired | | match details |
| M15 Tanagura - Hard | ||||
| 22.10.24 1st round | vs. Yuto Oki | 1-6, 4-6 | | match details |
| Guangzhou Challenger - Hard | ||||
| 08.09.24 q 1 | vs. Kris Van Wyk | 4-6, 0-6 | | match details |
 M15 Tashkent - Hard | ||||
| 05.09.24 2nd round | vs. Zura Tkemaladze | 5-7, 2-6 | | match details |
| 04.09.24 1st round | vs. Valentin Kopeikin | 6-3, 7-5 | | match details |
| M15 Tashkent - Hard | ||||
| 30.08.24 1/4 | vs. Dominik Palan | 2-6, 0-6 | | match details |
| 29.08.24 2nd round | vs. Daniel Khazime | 6-4, 7-5 | | match details |
| 27.08.24 1st round | vs. Daniil Golubev | 6-0, 6-3 | | match details |
 M15 Nakhon - Hard | ||||
| 10.07.24 1st round | vs. Daisuke Sumizawa | 6-71, 7-63, 2-6 | | match details |
 M15 Ust - Hard | ||||
| 05.07.24 1/4 | vs. Egor Agafonov | 4-6, 6-2, 4-6 | | match details |
| 04.07.24 2nd round | vs. Maksim Shin | 6-3, 0-6, 6-2 | | match details |
| 03.07.24 1st round | vs. Daniel Ibragimov | 6-2, 6-4 | | match details |
| M15 Ust - Hard | ||||
| 27.06.24 2nd round | vs. Sergey Fomin | 2-6, 2-6 | | match details |
| 26.06.24 1st round | vs. Timur Maulenov | 6-1, 6-2 | | match details |
 M15 Hong - Hard | ||||
| 19.06.24 1st round | vs. Thanapet Chanta | 2-6, 6-1, 2-6 | | match details |
 M15 Harmon - Hard | ||||
| 06.06.24 2nd round | vs. Kokoro Isomura | 6-4, 6-79, 0-3, - Kazuma Kawachi - retired | | match details |
| 05.06.24 1st round | vs. Ko Suzuki | 6-3, 6-3 | | match details |
| M15 Karuizawa - Clay | ||||
| 29.05.24 1st round | vs. Masamichi Imamura | 4-6, 4-6 | | match details |
 M25 Addis - Clay | ||||
| 23.05.24 2nd round | vs. Eliakim Coulibaly | 0-6, 3-6 | | match details |
| 22.05.24 1st round | vs. Julian Desousa | 6-1, 2-6, 7-65 | | match details |
Hai-Yun Tan - last matches
 All Lower - Clay | ||||
| 06.07.20 1st round | vs. David Parry | 3-6, 6-4, 5-10 | | match details |
| China F12 - Clay | ||||
| 11.07.16 q 1 | vs. Jialin Hu | 6-4, 6-2 | | match details |
| 11.07.16 q 2 | vs. Kazuma Kawachi | 0-6, 4-6 | | match details |
| China F11 - Clay | ||||
| 04.07.16 q 1 | vs. Haitong Xia | 2-6, 3-6 | | match details |
| China F4 - Hard | ||||
| 20.04.15 q 1 | vs. Aoran Wang | 2-6, 3-6 | | match details |
| China F3 - Hard | ||||
| 17.03.14 1st round | vs. Chuhan Wang | 7-5, 0-6, 3-6 | | match details |
| 17.03.14 q 2 | vs. Bo Fan | 6-1, 6-4 | | match details |
| 17.03.14 qual. | vs. Tianjia Guo | 6-3, 7-5 | | match details |
| Kun Ming - Hard | ||||
| 04.05.13 q 1 | vs. Rui-Xuan Wang | 4-6, 5-7 | | match details |
| China F3 - Hard | ||||
| 22.04.13 q 2 | vs. Qiu Shi Dong | 4-6, 1-6 | | match details |
| 22.04.13 q 1 | vs. Jiaqi Duan | 6-1, 6-4 | | match details |
| Ningboo Challenger - Hard | ||||
| 10.09.12 q 1 | vs. De-Long Zhu | 2-6, 2-6 | | match details |
| Anning Challenger - Clay | ||||
| 17.07.12 q 2 | vs. Chu-Huan Yi | 4-6, 1-6 | | match details |
| 15.07.12 q 1 | vs. Feng Xue | 6-1, 7-5 | | match details |
| China F3 - Hard | ||||
| 06.02.12 1st round | vs. Antal Van Der Duim | 3-6, 1-6 | | match details |
| Japan F10 - Hard | ||||
| 05.09.05 1st round | vs. Yuichi Ito | 7-5, 6-73, 3-6 | | match details |
| China #1 - Hard | ||||
| 15.08.05 2nd round | vs. Adam Thompson | 4-6, 2-6 | | match details |
| 15.08.05 1st round | vs. Dai-Chiao Lin | 6-3, 6-2 | | match details |
| China #1 - Hard | ||||
| 08.08.05 1st round | vs. Benoit Bottero | 6-4, 1-6, 2-6 | | match details |
| China F4 - Hard | ||||
| 18.07.05 1st round | vs. Yu Chang | 2-6, 1-6 | | match details |
| China F3 - Hard | ||||
| 30.05.05 1st round | vs. Ji Shi | 3-6, 2-6 | | match details |
| China F2 - Hard | ||||
| 23.05.05 1st round | vs. Yu Zhang | 6-0, 6-3 | | match details |
| 23.05.05 2nd round | vs. Tai-Wei Liu | 0-6, 4-6 | | match details |
| China F1 - Hard | ||||
| 16.05.05 2nd round | vs. Matthew Hanlin | 6-3, 2-6, 3-6 | | match details |
| 16.05.05 1st round | vs. Wei-Guang Yang | 6-4, 6-1 | | match details |
| Beijing - Hard | ||||
| 20.09.04 q 1 | vs. Atsuo Ogawa | 1-6, 3-6 | | match details |