Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Daegu | 2022/08/28 01:00 | Hayeon Seong v Yong-Kyu Lim | 3-6,1-6 |
| ITF M15 Anseong | 2022/08/17 05:40 | Hayeon Seong v Yuta Kawahashi | 0-6,1-6 |
| ITF M15 Anseong | 2022/08/15 07:15 | Hayeon Seong v Dogeon Park | 6-3,6-1 |
| ITF M15 Anseong | 2022/08/15 03:20 | Geni Inoue v Hayeon Seong | 3-6,5-7 |
| ITF M15 Changwon | 2019/10/15 01:00 | Takuya Kumasaka v Hayeon Seong | 4-6,6-2,10-1 |
| ITF M15 Anseong | 2019/06/26 04:00 | Hayeon Seong v Haru Inoue | 2-6,2-6 |
| ITF M15 Anseong | 2019/06/25 01:00 | Hayeon Seong v Sam Ryan Ziegann | 7-5,6-1 |
| ITF M15 Anseong | 2019/06/24 02:00 | David Barclay v Hayeon Seong | 7-5,6-7,8-10 |