Stadium: Calvo s Ct Round: 26 Ground: Hardcourt outdoor
| ITF M25 Harmon | 2022/05/31 00:00 | Issei Okamura v Geun Jun Kim | 6-7,7-5,4-6 |
| 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 M25 Harmon | 2022/05/31 01:15 | Camden Camacho v Takuto Niki | 1-6,3-6 |
| ITF M15 Chiang Rai | 2022/04/30 04:15 | Takuto Niki v Rubin Statham | 3-6,6-7 |
| ITF M15 Chiang Rai | 2022/04/28 03:40 | Takuto Niki v Dayne Kelly | 6-7,7-6,6-4 |
| ITF M15 Chiang Rai | 2022/04/27 02:00 | Nitin Kumar Sinha v Takuto Niki | 4-6,6-2,3-6 |
| ITF M15 Chiang Rai | 2022/04/21 05:20 | Yuta Shimizu v Takuto Niki | 6-4,6-4 |
| ITF M15 Chiang Rai | 2022/04/20 08:55 | Makoto Ochi v Takuto Niki | 3-6,6-7 |
| ITF M15 Chiang Rai | 2022/04/13 07:35 | Seong Chan Hong v Takuto Niki | 6-3,6-4 |
| ITF M25 Canberra | 2022/03/30 00:25 | Takuto Niki v Eric Vanshelboim | 1-6,2-6 |