Stadium: Centre Court A Round: 25 Ground: Hardcourt outdoor
| ITF M15 Changwon | 2022/08/24 09:05 | Niki, Takuto v Kawahashi, Yuta | 2-6,1-6 |
| ITF M15 Anseong | 2022/08/19 00:55 | Sora Fukuda v Niki, Takuto | 6-4,6-2 |
| ITF M15 Anseong | 2022/08/18 03:25 | Seon Yong Han v Niki, Takuto | 6-4,3-6,2-6 |
| ITF M15 Anseong | 2022/08/17 02:10 | Jangjun Kim v Niki, Takuto | 5-7,2-6 |
| ITF M15 Caloundra | 2022/07/28 03:15 | Becroft, Isaac v Niki, Takuto | 6-7,6-2,6-2 |
| ITF M15 Caloundra | 2022/07/27 01:15 | Wishaya Trongcharoenchaikul v Niki, Takuto | 4-6,1-6 |
| ITF M15 Caloundra | 2022/07/24 00:00 | Dane Sweeny v Niki, Takuto | 6-1,6-3 |
| ITF M15 Caloundra | 2022/07/23 05:00 | Niki, Takuto v Addison, Aaron | 6-0,6-4 |
| ITF M15 Caloundra | 2022/07/29 00:00 | Kawakami, Rimpei v Becroft, Isaac | 1-6,4-6 |
| ITF M15 Caloundra | 2022/07/28 03:35 | Kawakami, Rimpei v Pavlekovich Smith, Thomas | 6-4,6-4 |
| ITF M15 Caloundra | 2022/07/27 04:00 | Kawakami, Rimpei v Amor Jasika | 6-2,7-6 |
| ITF M15 Caloundra | 2022/07/24 02:55 | Dane Sweeny v Kawakami, Rimpei | 6-7,7-6,6-3 |
| ITF M15 Caloundra | 2022/07/23 05:35 | Kawakami, Rimpei v Becroft, Isaac | 6-1,7-6 |
| ITF M15 Caloundra | 2022/07/18 23:00 | Kawakami, Rimpei v Smith, Jordan | 6-2,6-3 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2022/06/10 10:25 | Kawakami, Rimpei v Domagoj Biljesko | 4-6,4-6 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2022/06/08 11:00 | Kawakami, Rimpei v Akay, Cihan | 6-4,6-3 |