Yajing Cao
2019
| J2 BEIJING-2 | 2R | |
| J3 GUANGZHOU | 2R | |
| J4 MIKICITY | [5] | Semi |
| J1 NANJING | 2R | |
| J2 SHANGHAI | 2R | |
| J4 JINAN | [9] | Win |
| J4 CHANGHUA | 2R | |
| J2 TAINAN | 1R | |
| J2 BEIJING | 1R | |
| J4 BEIJING | Quarter | |
| J3 CHENGDU | 1R | |
| J4 CHENGDU | [7] | 3R |
| J3 SHENZHEN | 2R | |
| J4 SHENZHEN-3 | 1R | |
| J4 CAUSEWAYBAY | Quarter | |
| J4 SHENZHEN-2 | 1R |
2018
| J4 SHENZHEN | Quarter |
Nation
CHN
Year-end Junior World Ranking
- Year-end 2020 436th
- Year-end 2019 390th
Rival
zhuoxuan bai (0-3)
zongyu li (1-2)
xichen zhao (1-1)
miyuka kimoto (2-0)
kuan yi lee (0-2)
Match Details
2019 J2 BEIJING-2
| W | 1R | Mariya Dolzhenko | 6-4 6-3 |
| L | 2R | Zongyu Li | 6-2 1-6 6-7 |
2019 J3 GUANGZHOU
| W | 1R | Ke Syuan Jhang | 6-3 6-2 |
| L | 2R | Hoi Ki Jenny Wong | 5-7 0-6 |
2019 J4 MIKICITY
| W | 1R | Runa Saito | 6-2 6-4 |
| W | 2R | Hana Otsubo | 7-6 3-6 6-4 |
| W | QF | Miyuka Kimoto | 6-3 6-7 6-2 |
| L | SF | Na Dong | 1-6 3-6 |
2019 J1 NANJING
| W | 1R | Yuxuan Luo | 6-0 3-6 6-1 |
| L | 2R | Yeonwoo Ku | 0-6 6-3 3-6 |
2019 J2 SHANGHAI
| W | 1R | Yifei He | 6-3 6-4 |
| L | 2R | Cong Ying Zhao | 7-5 1-6 1-6 |
2019 J4 JINAN
| W | 2R | Chu Ni Wang | 6-1 6-1 |
| W | 3R | Yishuang Lin | 7-5 6-0 |
| W | QF | Yizhen Zheng | 6-3 6-4 |
| W | SF | Jin Zhang | 6-3 1-6 6-1 |
| W | F | Xichen Zhao | 6-4 3-1 |
2019 J4 CHANGHUA
| W | 1R | Yun-Yun Tsai | 6-0 6-1 |
| L | 2R | Kuan Yi Lee | 2-4 2-4 |
2019 J2 TAINAN
| L | 1R | Ya Yi Yang | 2-6 3-6 |
2019 J2 BEIJING
| L | 1R | Xin Tong Wang | 6-7 6-7 |
2019 J4 BEIJING
| W | 1R | Chao-Yi Wang | 6-2 6-1 |
| W | 2R | Jiayu Xu | 5-7 7-6 7-5 |
| W | 3R | Kokomi Koyama | 6-3 6-3 |
| L | QF | Nadezda Khalturina | 7-5 3-6 4-6 |
2019 J3 CHENGDU
| L | 1R | Kuan Yi Lee | 2-6 2-6 |
2019 J4 CHENGDU
| W | 1R | Xiaotong Zhao | 6-0 6-1 |
| W | 2R | Feier Hu | 6-4 6-3 |
| L | 3R | Jiayun Zhu | 1-6 3-6 |
2019 J3 SHENZHEN
| W | 1R | Miyuka Kimoto | 6-1 6-3 |
| L | 2R | Zongyu Li | 6-1 3-6 3-6 |
2019 J4 SHENZHEN-3
| L | 1R | Zhuoxuan Bai | 2-6 2-6 |
2019 J4 CAUSEWAYBAY
| W | 1R | Hannah Kaile Shen | 6-1 6-3 |
| W | 2R | Ya-Jo Hou | 6-1 6-4 |
| L | QF | Xichen Zhao | 1-6 2-6 |
2019 J4 SHENZHEN-2
| L | 1R | Zhuoxuan Bai | 3-6 2-6 |
2019 J4 SHENZHEN
| W | 1R | Zongyu Li | 6-4 6-4 |
| W | 2R | Mengtong Zhao | 6-2 6-2 |
| W | 3R | Jing Yang | 6-4 6-4 |
| L | QF | Zhuoxuan Bai | 0-6 1-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 11269, Number of registered players: 7,130, Number of registered results: 412,926