Ya Yi Yang
2021
| US OPEN JUNIOR | 1R | |
| J1 COLLEGEPARK | [15] | 1R |
2020
2019
| CHINA JUNIOR 16 | [8] | Win |
| CHINA JUNIOR 15 | [6] | Final |
| CHINA JUNIOR 12 | [7] | 2R |
| CHINA JUNIOR 8 | 2R |
Nation
TPE
Age
21 years old (born in 2004)
World Ranking
WTA Ranking　607th
Year-end Junior World Ranking
- Year-end 2021 819th
- Year-end 2020 66th
- Year-end 2019 63th
Match Details
2021 US OPEN JUNIOR
| L | 1R | Petra Marcinko | 4-6 6-7 |
2021 J1 COLLEGEPARK
| L | 1R | Katja Wiersholm | 2-6 6-3 4-6 |
2020 AUSTRALIAN OPEN JUNIOR
| W | 1R | India Houghton | 1-6 6-3 6-3 |
| L | 2R | Olivia Gadecki | 5-7 7-6 4-6 |
2020 J1 TRARALGON
| L | 1R | Matilda Mutavdzic | 6-7 6-7 |
2019 CHINA JUNIOR 16
| W | 1R | Le Yi Liu | 3-6 7-6 6-3 |
| W | 2R | Lan Mi | 6-2 6-0 |
| W | QF | Zhuoxuan Bai | 7-6 6-4 |
| W | SF | Zongyu Li | 6-3 6-3 |
| W | F | Amy Stevens | 1-6 6-1 6-2 |
2019 CHINA JUNIOR 15
| W | 1R | Yiming Dang | 6-2 6-3 |
| W | 2R | Yizhen Zheng | 6-1 6-3 |
| W | QF | Jiaqi Wang | 7-6 3-6 6-2 |
| W | SF | Xin Tong Wang | 7-5 6-4 |
| L | F | Na Dong | 1-6 6-3 4-6 |
2019 CHINA JUNIOR 12
| W | 1R | Yuhan Liu | 7-5 4-6 7-6 |
| L | 2R | Yujiao Che | 7-6 4-6 4-6 |
2019 CHINA JUNIOR 8
| W | 1R | Zheng Hua Xiao | 4-6 6-4 6-4 |
| L | 2R | Jiangxue Han | 6-7 2-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 10179, Number of registered players: 6,443, Number of registered results: 375,166