Stadium: Court 3 Round: 44 Ground: Hardcourt outdoor
| WTA Seoul | 2021/12/20 04:25 | Isabella Shinikova v Yeong Won Jeong | 6-4,6-1 |
| ITF - W15 Antalya | 2021/11/10 06:30 | Vanda Vargova v Yeong Won Jeong | 6-4,7-5 |
| ITF - W15 Antalya | 2021/11/03 08:40 | Ozlem Uslu v Yeong Won Jeong | 6-2,6-0 |
| ITF - W15 Antalya | 2021/10/27 07:00 | Julie Belgraver v Yeong Won Jeong | 6-4,6-2 |
| ITF - W15 Antalya | 2021/10/25 07:00 | Yeong Won Jeong v Fatma Idrizovic | 4-6,6-3,10-5 |
| ITF - W15 Antalya | 2021/10/19 07:00 | Yeong Won Jeong v Gaia Squarcialupi | 4-6,1-6 |
| ITF - W15 Antalya | 2021/10/18 07:00 | Yeong Won Jeong v Antonia Aragosa | 6-2,7-5 |
| ITF - W15 Monastir | 2021/09/09 08:00 | Yeong Won Jeong v Aliona Falei | 4-6,3-6 |
| ITF - W15 Sharm-el-Sheikh | 2022/02/27 11:30 | Zlata Yankovskaya v Ikumi Yamazaki | 2-6,0-6 |
| ITF - W15 Sharm-el-Sheikh | 2022/02/20 10:30 | Ikumi Yamazaki v Aleksandra Melnikova | 4-6,6-0,8-10 |
| ITF W60 - Kyoto | 2020/02/17 02:15 | Jia-Qi Kang v Ikumi Yamazaki | 6-4,6-2 |
| ITF - W15 Hua Hin | 2019/10/16 05:40 | Ikumi Yamazaki v Moyuka Uchijima | 0-6,3-6 |
| ITF - W15 Hua Hin | 2019/10/15 04:55 | Zhuoma Ni Ma v Ikumi Yamazaki | 1-6,6-7 |
| ITF - W15 Hua Hin | 2019/10/14 04:40 | Pichapak Sirikul v Ikumi Yamazaki | 1-6,0-6 |
| ITF - W25 Makinohara | 2019/10/07 03:30 | Mami Hasegawa v Ikumi Yamazaki | 6-3,7-6 |
| ITF W25 - Kyoto | 2019/09/02 02:00 | Chisa Hosonuma v Ikumi Yamazaki | 3-6,6-3,10-8 |