Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF Japan F6 | 2014/06/11 00:30 | Kazuma Kawachi v Niki, Takuto | 2-6,5-7 |
| ITF M15 Daegu | 2022/09/02 02:00 | Kazuma Kawachi v Kovapitukted, Palaphoom | 4-6,4-6 |
| ITF M15 Daegu | 2022/09/01 02:00 | Kazuma Kawachi v Kim, Dong Ju | 6-7,6-0,6-4 |
| ITF M15 Daegu | 2022/08/31 08:05 | Kazuma Kawachi v Jangjun Kim | 6-4,1-6,7-5 |
| ITF - M15 Monastir | 2022/08/25 09:25 | Kazuma Kawachi v Matthew Dellavedova | 1-6,1-6 |
| ITF - M15 Monastir | 2022/08/24 09:40 | Kazuma Kawachi v Andrej Krajcik | 6-4,6-0 |
| ITF - M15 Monastir | 2022/08/18 08:00 | Qian Sun v Kazuma Kawachi | 6-2,6-3 |
| ITF - M15 Monastir | 2022/08/17 09:30 | Kazuma Kawachi v Andrej Krajcik | 7-5,6-2 |
| ITF M15 Herzlia | 2022/08/14 14:00 | Patael, Ben v Kazuma Kawachi | 7-6,2-6,6-3 |
| Sapporo, Singles Main, M-ITF-JPN-02A | 2022/09/01 07:52 | Yamato Sueoka v Niki, Takuto | 6-3,7-5 |
| Sapporo, Singles Main, M-ITF-JPN-02A | 2022/09/01 01:00 | Niki, Takuto v Kawakami, Rimpei | 6-3,1-6,7-5 |
| 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 | Isaac Becroft 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 |