Ai Yamaguchi
2019
| JAOSAKA | 1R | |
| J3 SAITAMA | [4] | Semi |
2018
| J2 NAGOYA | 1R | |
| J500OSAKA | 1R | |
| J4 HYOGO-2 | [6] | Semi |
| J4 HYOGO | [8] | 2R |
| J4 JAKARTA-2 | [5] | 2R |
| J4 JAKARTA | [7] | 2R |
| J4 CHANGHUACOUNTY | 1R | |
| J3 BEIJING | 1R | |
| J4 BEIJING | [8] | 2R |
| J3 AUCKLAND | 1R | |
| J4 CHRISTCHURCH | [8] | 2R |
2017
| J500OSAKA | 1R | |
| J4 HYOGO-2 | Final | |
| J3 BEIJING | 1R | |
| J4 BEIJING | 2R | |
| J4 CHRISTCHURCH | 3R |
Nation
JPN
Age
23 years old (born in 2002)
Year-end Junior World Ranking
- Year-end 2020 1215th
- Year-end 2019 779th
- Year-end 2018 401th
Match Details
JAOSAKA
| L | 1R | Skyler Marie Grace Grishuk | 6-3 0-6 1-6 |
J3 SAITAMA
| W | 1R | Xiaoyan Xue | 6-3 7-5 |
| W | 2R | Tomoko Kato | 3-6 6-1 6-3 |
| W | QF | Momoko Nagato | 7-5 6-4 |
| L | SF | Remika Ohashi | 2-6 2-6 |
J2 NAGOYA
| L | 1R | Kokomi Koyama | 4-6 6-2 6-7 |
J500OSAKA
| L | 1R | Isabella Kruger | 4-6 2-6 |
J4 HYOGO-2
| W | 1R | Sena Takebe | 6-4 6-3 |
| W | 2R | Mua Shigeta | 6-1 6-2 |
| W | QF | Zongyu Li | 6-4 4-6 6-1 |
| L | SF | Boyoung Jeong | 3-6 2-6 |
J4 HYOGO
| W | 1R | Kurumi Tamura | 6-1 6-1 |
| L | 2R | Ayano Matsubara | 6-4 1-6 6-7 |
J4 JAKARTA-2
| W | 1R | Felicia Halim | 6-2 6-4 |
| L | 2R | Jimin Kwon | 0-6 4-6 |
J4 JAKARTA
| L | 2R | Alexandra Eala | 2-6 4-6 |
J4 CHANGHUACOUNTY
| L | 1R | Yu-Yun Li | 6-3 4-6 2-6 |
J3 BEIJING
| L | 1R | Fangran Tian | 4-6 2-6 |
J4 BEIJING
| W | 1R | Yihan Yang | 6-1 6-2 |
| L | 2R | Xue Cao | 6-2 6-7 6-7 |
J3 AUCKLAND
| L | 1R | Valentina Ivanov | 1-6 1-6 |
J4 CHRISTCHURCH
| W | 1R | Chloe Katerdjian | 6-1 6-4 |
| L | 2R | Ema Miyaura | 6-3 1-6 6-7 |
J500OSAKA
| L | 1R | Whitney Osuigwe | 1-6 0-6 |
J4 HYOGO-2
| W | 1R | Yujiao Che | 7-5 2-6 6-4 |
| W | 2R | Misaki Kobayashi | 4-6 7-5 7-5 |
| W | QF | Ayu Sugiyama | 6-1 6-3 |
| W | SF | Saki Imamura | - - - |
| L | F | Himeno Sakatsume | 2-6 1-6 |
J3 BEIJING
| L | 1R | Meiqi Guo | 3-6 6-3 2-6 |
J4 BEIJING
| W | 1R | Yuyao Zhang | 6-0 6-1 |
| L | 2R | Keyi Zhou | 5-7 1-6 |
J4 CHRISTCHURCH
| W | 1R | Brooke Kenny | 6-0 7-6 |
| W | 2R | Mulan Kamoe | 6-1 6-2 |
| L | 3R | Uma Nayar | 6-0 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 14431, Number of registered players: 7,550, Number of registered results: 449,006