Name: Wai Yu Kai
Country: Hongkong
Birthdate: 20.03.01, 23 years
Matches total: 54
Win: 19
%: 35.19 %
Country: Hongkong
Birthdate: 20.03.01, 23 years
Matches total: 54
Win: 19
%: 35.19 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2023 | 8/9 | 8/8 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2020 | 1/8 | 1/7 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2019 | 1/6 | 0/5 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2018 | 8/9 | 8/8 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2017 | 1/3 | 1/3 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 19/35 | 18/31 | 1/3 | 0/1 | 0/0 | 0/0 | 0/0 |
| perc. % | 35.19 % | 36.73 % | 25 % | 0 % | 0 % | 0 % | 0 % |
Wai Yu Kai / scheduled / last
| no matches found |
Wai Yu Kai form / year 2019
Wai Yu Kai / year 2019
| 30.09.19 | q 2 | Linang Xiao | Wai Yu Kai | 6-2, 3-6, 10-8 |  | match details |  M15 Nanchang | Clay |
| 29.09.19 | q 1 | Wai Yu Kai | Hanyi Liu | 6-4, 6-4 |  | match details | ||
| 15.09.19 | Chun Hsin Tseng | Wai Yu Kai | 6-2, 7-5 | | match details |  Davis Cup | Hard | |
| 17.06.19 | q 1 | Martin Borisiouk | Wai Yu Kai | 3-6, 7-5, 10-8 | | match details | M25 Hengyang | Hard |
| 12.06.19 | 1st round | Alexander Crnokrak | Wai Yu Kai | 6-3, 6-1 | | match details | M25 Hong | Hard |
| 04.06.19 | 1st round | Shuichi Sekiguchi | Wai Yu Kai | 6-2, 6-1 | | match details | M25 Hong | Hard |
| 29.04.19 | q 1 | Kousuke Ogura | Wai Yu Kai | 6-3, 6-4 | | match details | M15 Wuhan | Hard |
