Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| ITF - W15 Monastir | 2021/09/08 16:05 | Bahri, Ferdaous v Choi, Ji-Hee | 2-6,1-6 |
| ITF - W15 Monastir | 2021/09/01 14:00 | Dayeon Back v Choi, Ji-Hee | 4-6,6-1,6-3 |
| ITF - W15 Monastir | 2021/08/25 14:30 | Choi, Ji-Hee v Jazmin Ortenzi | 0-6,2-6 |
| ITF W25 Oeiras | 2021/04/20 10:35 | Su Jeong Jang v Choi, Ji-Hee | 6-0,6-1 |
| ITF W25 Oeiras | 2021/04/19 09:30 | Sofia Shapatava v Choi, Ji-Hee | 6-4,6-1 |
| ITF W25 Oeiras | 2021/04/18 09:00 | Morais, Matilde v Choi, Ji-Hee | 3-6,0-6 |
| ITF W60 Oeiras | 2021/04/11 10:15 | Seone Mendez v Choi, Ji-Hee | 6-3,6-2 |
| ITF W25 Dubai | 2021/03/29 06:30 | Hatouka, Yuliya v Choi, Ji-Hee | 6-0,6-3 |
| ITF - W15 Monastir | 2021/09/08 14:00 | Yukina Saigo v Hondo, Sakura | 3-6,6-4,6-1 |
| ITF - W15 Monastir | 2021/09/01 15:00 | Yukina Saigo v Chiraz Bechri | 0-6,6-7 |
| ITF - W15 Monastir | 2021/03/30 09:00 | Yukina Saigo v Skachkova, Katsiaryna | 4-6,3-6 |
| ITF - W15 Monastir | 2021/03/29 12:00 | Yukina Saigo v Bekrar, Ines | 7-6,6-3 |
| ITF - W15 Monastir | 2021/03/24 12:30 | Yukina Saigo v Oana Gavrila | 6-7,6-4,3-6 |
| ITF - W15 Monastir | 2021/03/22 14:30 | Yukina Saigo v Gutierrez, Mariaryeni | 6-4,3-6,10-7 |
| ITF - W15 Monastir | 2021/03/22 09:00 | Yukina Saigo v Ben Hassen, Feryel | 6-3,6-1 |
| ITF - W15 Monastir | 2021/03/16 08:30 | Kilnarova, Monika v Yukina Saigo | 6-4,6-1 |