Stadium: Calvo s Ct Round: 25 Ground: Hardcourt outdoor
| ITF M15 Chiang Rai | 2022/04/19 02:00 | Thantub Suksumrarn v Issei Okamura | 6-3,7-6 |
| ITF M15 Chiang Rai | 2022/04/18 05:45 | Suphawat Saeoui v Issei Okamura | 4-6,2-6 |
| ITF M15 Chiang Rai - kval | 2022/04/17 12:10 | Issei Okamura v Ishaque Eqbal | 6-4,3-6,10-4 |
| ITF M15 Chiang Rai - kval | 2022/04/10 13:10 | Issei Okamura v Alexander Crnokrak | 3-6,4-6 |
| ITF M15 Chiang Rai | 2022/04/05 05:45 | Orel Kimhi v Issei Okamura | 6-7,7-6,6-2 |
| ITF M25 Canberra | 2022/03/31 02:45 | Dayne Kelly v Issei Okamura | 6-0,6-1 |
| ITF M25 Canberra | 2022/03/29 00:40 | Kento Takeuchi v Issei Okamura | 3-6,6-4,4-6 |
| ITF M25 Canberra | 2022/03/22 03:05 | Kento Takeuchi v Issei Okamura | 5-7,6-2,6-2 |
| 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 |