Yu Zhang
Nation
CHN
World Ranking
ATP Ranking　1405th
Year-end Junior World Ranking
- Year-end 2020 92th
- Year-end 2019 116th
Match Details
2020 Australian Open Junior
| W | 1R | Eliakim Coulibaly | 7-6 1-6 7-5 |
| W | 2R | Max Wiskandt | 6-1 3-6 6-1 |
| L | 3R | Dominic Stephan Stricker | 2-6 2-6 |
2019 China Junior 14
| W | 2R | Yan Cheng Chen | 6-7 6-0 6-3 |
| L | 3R | Taiyo Yamanaka | 4-6 6-3 3-6 |
2019 China Junior 4
| W | 1R | Seonung Cho | 7-6 3-6 7-6 |
| L | 2R | Dev Javia | 6-2 4-6 5-7 |
2019 China Junior 3
| W | 1R | Dusan Rsovac | 6-3 6-0 |
| W | 2R | Hon Chun Lee | 6-2 6-2 |
| W | 3R | Yusuke Tamaki | 6-1 6-3 |
| W | QF | Madhwin Kamath | 6-1 6-2 |
| L | SF | Wai Yu Kai | 2-6 0-6 |
2019 China Junior 2
| W | 1R | Yu Maeda | 6-1 6-4 |
| W | 2R | Jiwoong Hyun | 6-2 6-3 |
| W | 3R | Chun Lam | 6-2 6-1 |
| W | QF | Woodam Song | 6-2 6-2 |
| W | SF | Yunseok Jang | 4-6 6-2 6-2 |
| L | F | Wai Yu Kai | 6-4 4-6 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 5778, Number of registered players: 4,878, Number of registered results: 222,253