Stadium: Court 13 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Chiang Rai | 2022/04/07 04:30 | Tanapatt Nirundorn v Geun Jun Kim | 3-6,6-4,6-3 |
| ITF M15 Chiang Rai | 2022/04/06 09:00 | Thanapet Chanta v Geun Jun Kim | 6-7,6-4,5-7 |
| ITF M15 Chiang Rai | 2022/04/05 02:00 | Marcel Kamrowski v Geun Jun Kim | 7-5,2-6,1-10 |
| ITF M15 Chiang Rai | 2022/04/04 05:15 | Geun Jun Kim v Arjun Mahadevan | 6-3,6-3 |
| ITF M15 Chiang Rai | 2022/04/03 04:45 | Geun Jun Kim v Pruchya Isarow | 7-6,6-2 |
| ITF M15 Monastir | 2021/06/27 08:00 | Omar Brigida v Geun Jun Kim | 6-3,6-1 |
| ITF M15 Monastir | 2021/06/21 09:00 | Alexander Kotzen v Geun Jun Kim | 6-0,6-2 |
| ITF M15 Monastir | 2021/06/20 10:30 | Geun Jun Kim v Ali Alshati | 6-2,6-0 |
| ITF M15 Monastir | 2022/03/02 12:00 | Ryuki Matsuda v Tao Mu | 2-6,4-6 |
| ITF M25 Monastir | 2022/03/01 13:30 | Alec Beckley v Ryuki Matsuda | 4-6,6-3,8-10 |
| ITF M25 Monastir | 2022/03/01 09:00 | Tobias Franco v Ryuki Matsuda | 0-6,1-6 |
| ITF M25 Monastir | 2022/02/27 11:30 | Josef Southcombe v Ryuki Matsuda | 2-6,1-6 |
| ITF M25 Monastir | 2022/02/21 08:00 | Masamichi Imamura v Ryuki Matsuda | 6-1,6-3 |
| ITF M25 Monastir | 2022/02/20 08:00 | Ryuki Matsuda v Yannick Wunderlich | 6-0,6-1 |
| ITF M25 Monastir | 2022/02/14 08:00 | Ryuki Matsuda v Mauro De Maio | 4-6,1-6 |
| ITF M25 Monastir | 2022/02/13 10:30 | Ivan La Cava v Ryuki Matsuda | 2-6,3-6 |