Wai Yu Kai
Age
24 years old (born in 2001)
Year-end Junior World Ranking
Rival
Jin Gu (3-0)
- [2019] China Junior 8 6-4 6-2
- [2019] China Junior 2 6-2 6-4
- [2019] China Junior 3 6-0 6-3
Yu Zhang (2-0)
- [2019] China Junior 2 4-6 6-4 6-3
- [2019] China Junior 3 6-2 6-0
Hikaru Takeda (2-0)
- [2019] China Junior 14 6-3 6-4
- [2019] China Junior 3 5-7 6-3 6-3
Bohua Dong (2-0)
- [2019] China Junior 1 6-3 5-7 6-0
- [2019] China Junior 4 6-4 6-4
Match Details
| W | 1R | Ye Hongyu | 6-4 6-1 |
| W | 2R | Jin Gu | 6-4 6-2 |
| L | QF | Arthur Craig Pantino | WD |
| W | 1R | He Ziheng | 6-1 6-2 |
| W | 2R | Bohua Dong | 6-4 6-4 |
| L | QF | Pengyu Lu | WD |
| W | 1R | Zihao Yuan | 6-3 6-4 |
| W | 2R | Yang Zhu | 6-0 6-2 |
| W | 3R | Zi Ang Li | 6-1 6-2 |
| W | QF | Jin Gu | 6-0 6-3 |
| W | SF | Yu Zhang | 6-2 6-0 |
| W | F | Hikaru Takeda | 5-7 6-3 6-3 |
| W | 1R | Yuchen Pan | 6-3 6-0 |
| W | 2R | Jun Ha Hyun | 6-0 6-1 |
| W | 3R | Zhong Yi | 3-6 6-3 6-0 |
| W | QF | Jin Gu | 6-2 6-4 |
| W | SF | Baoluo Zheng | 6-1 6-4 |
| W | F | Yu Zhang | 4-6 6-4 6-3 |
| W | 1R | Zhanlue Kuang | 6-1 6-1 |
| W | 2R | Yi Zhou | 6-1 6-2 |
| W | 3R | Guanglin Wen | 6-2 7-5 |
| W | QF | Malanqi Du | 6-1 6-1 |
| W | SF | Bohua Dong | 6-3 5-7 6-0 |
| W | F | Patorn Hanchaikul | 6-3 6-1 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 5774, Number of registered players: 3,011, Number of registered results: 222,093