Jiayi Sun
2025
| J100Huzhou | 1R | |
| J100Qionghai | 1R | |
| J60Anning | [3] | Final |
| J60Chengdu-2 | [8] | Quarter |
| J60Chengdu | [10] | Quarter |
| J100Wuhan | 1R | |
| J30Maanshan-2 | [1] | 3R |
| J30Maanshan | [2] | Semi |
2024
| J60Chengdu-3 | [10] | Quarter |
| J100Shanghai | Semi | |
| J300Beijing | 1R | |
| J200Nanjing | 1R | |
| J30Jiaxing | [6] | 1R |
| J100Qionghai | Quarter | |
| J60Anning | 1R | |
| J60Chengdu | [13] | Semi |
| J60Shenzhen-2 | Quarter | |
| J60Shenzhen | 2R |
Nation
CHN
Generation
Born in 2010 (14-15 years old)
World Ranking
Junior World Ranking 655th
Year-end Junior World Ranking
- Year-end 2024 805th
Match Details
2025 J100Huzhou
| L | 1R | Zhang-Qian Wei | 3-6 1-6 |
2025 J100Qionghai
| L | 1R | Zhang-Qian Wei | 3-6 6-3 2-6 |
2025 J60Anning
| W | 1R | Mengtong Nie | 6-1 6-1 |
| W | 2R | Maner Li | 6-2 6-1 |
| W | QF | Ziduan Zhao | 7-6 7-6 |
| W | SF | Xiang Liu | 6-2 6-4 |
| L | F | Yuhan Chen | 1-6 6-3 3-6 |
2025 J60Chengdu-2
| W | 1R | Maner Li | 6-2 6-1 |
| W | 2R | Ye Xin Tang | 6-4 3-6 6-2 |
| W | 3R | Yinuo Pan | 6-1 6-2 |
| L | QF | Jinshu Xia | 4-6 3-6 |
2025 J60Chengdu
| W | 1R | Sai Ma | 6-0 6-0 |
| W | 2R | Yuqing Deng | 6-0 6-3 |
| W | 3R | Yu Tsen Ko | 7-5 6-1 |
| L | QF | Anna Yang | 3-6 7-6 1-6 |
2025 J100Wuhan
| L | 1R | Xi Luo | 3-6 6-1 4-6 |
2025 J30Maanshan-2
| W | 1R | Yihan Li | 6-3 6-2 |
| W | 2R | Wenqi Chen | 6-1 6-0 |
| L | 3R | Jiayi Lin | 4-6 3-6 |
2025 J30Maanshan
| W | 1R | Tiannuo Zhang | 6-1 6-1 |
| W | 2R | Nicole Xu | 6-2 6-0 |
| W | 3R | Ruoming Zhao | 6-3 6-2 |
| W | QF | Ziyan Zhang | 6-2 6-3 |
| L | SF | Ziduan Zhao | 5-7 2-6 |
2024 J60Chengdu-3
| W | 1R | Jingwen Song | 6-0 6-3 |
| W | 2R | Yijia Wang | 6-0 6-1 |
| W | 3R | Yao Xu | 6-2 6-4 |
| L | QF | Xi Luo | 4-6 0-6 |
2024 J100Shanghai
| W | 1R | Yu-Ching Hsieh | 6-3 6-2 |
| W | 2R | Mailuodi Lei | 4-6 7-6 6-4 |
| W | QF | Jiayi Lu | 6-4 7-5 |
| L | SF | Yihan Qu | 3-6 2-6 |
2024 J300Beijing
| L | 1R | Jinling Shi | 5-7 6-2 2-6 |
2024 J200Nanjing
| L | 1R | Sabrina Lin | 3-6 1-6 |
2024 J30Jiaxing
| L | 1R | Mengfei Yang | 6-0 4-6 3-6 |
2024 J100Qionghai
| W | 1R | Yu-Ning Tsai | 2-6 6-2 6-0 |
| W | 2R | Jiali Dong | 6-1 6-2 |
| L | QF | Yuyao Li | 2-6 3-6 |
2024 J60Anning
| L | 1R | Yushan Shao | 4-6 5-7 |
2024 J60Chengdu
| W | 1R | Xinyan Li | 6-2 6-0 |
| W | 2R | Xinyuan Zhanghang | 6-2 6-1 |
| W | 3R | Haixin Yu | 6-1 6-3 |
| W | QF | Chuyu Zhang | 6-2 6-3 |
| L | SF | Anna Yang | 3-6 0-6 |
2024 J60Shenzhen-2
| W | 1R | Abigail Elham | 6-1 5-7 6-1 |
| W | 2R | Xiao Tang | 6-4 6-2 |
| L | QF | Jiayi Wang | 1-6 1-6 |
2024 J60Shenzhen
| W | 1R | Ekaterina Pestereva | 3-6 6-4 6-3 |
| L | 2R | Xi Luo | 6-7 1-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9232, Number of registered players: 5,739, Number of registered results: 303,630