Koharu Niimi
2019
| China Junior 16 | 1R | |
| China Junior 15 | Quarter | |
| China Junior 12 | 2R | |
| China Junior 11 | [3] | Semi |
| China Junior 8 | 2R | |
| China Junior 7 | [4] | Quarter |
| China Junior 4 | 2R | |
| China Junior 3 | [5] | 2R |
Age
22 years old (born in 2002)
Year-end Junior World Ranking
- Year-end 2020 394th
- Year-end 2019 332th
- Year-end 2018 252th
Match Details
2019 China Junior 16
| L | 1R | Lan Mi | 3-6 6-7 |
2019 China Junior 15
| W | 1R | Zixuan Zeng | 6-1 6-3 |
| W | 2R | Zongyu Li | 7-6 4-6 6-3 |
| L | QF | Hoi Ki Jenny Wong | 2-6 2-6 |
2019 China Junior 12
| W | 1R | Xichen Zhao | 6-3 6-1 |
| L | 2R | Kuan Yi Lee | 2-6 3-6 |
2019 China Junior 11
| W | 2R | Haoran Liu | 6-0 6-0 |
| W | 3R | Jiayu Xu | 6-2 6-1 |
| L | QF | Xichen Zhao | 3-6 4-6 |
2019 China Junior 8
| W | 1R | Yujiao Che | 6-2 4-6 6-3 |
| L | 2R | Tianmi Mi | 4-6 5-7 |
2019 China Junior 7
| W | 1R | Shuman Wu | 7-5 6-2 |
| W | 2R | Meng Yi Chen | 6-3 6-4 |
| W | 3R | Xue Cao | 6-1 6-4 |
| L | QF | Na Dong | 1-6 6-7 |
2019 China Junior 4
| W | 1R | Jiaqi Wang | 6-2 7-5 |
| L | 2R | Evelina Kontareva | 4-6 3-6 |
2019 China Junior 3
| W | 1R | Jing Yang | 6-0 6-1 |
| L | 2R | Jiayu Xu | 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: 303,671