Stadium: Court 15 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Anseong | 2022/08/17 01:00 | Suk Hyun Choo v Ko Suzuki | 6-2,6-2 |
| ITF M15 Caloundra | 2022/07/27 02:30 | Ko Suzuki v Tai Leonard Sach | 5-7,5-7 |
| ITF M15 Caloundra | 2022/07/20 02:00 | Ko Suzuki v Dayne Kelly | 0-6,2-6 |
| ITF M25 Harmon | 2022/06/10 00:00 | Ko Suzuki v Ji Sung Nam | 3-6,4-6 |
| ITF M25 Harmon | 2022/06/09 00:00 | Geun Jun Kim v Ko Suzuki | 3-6,1-6 |
| ITF M25 Harmon | 2022/06/07 02:05 | Ko Suzuki v Kento Tagashira | 6-1,6-2 |
| ITF M25 Harmon | 2022/05/31 01:35 | Ko Suzuki v Sho Shimabukuro | 3-6,6-3,2-6 |
| ITF M25 Canberra | 2022/03/30 04:00 | Dayne Kelly v Ko Suzuki | 6-3,6-3 |
| ITF M15 Jakarta | 2022/08/18 02:00 | S D Prajwal Dev v Kazuki Nishiwaki | 6-3,6-4 |
| ITF M15 Jakarta | 2022/08/16 05:50 | Kazuki Nishiwaki v Masamichi Imamura | 6-3,3-6,6-1 |
| ITF M15 Jakarta | 2022/08/09 05:05 | Uisung Park v Kazuki Nishiwaki | 4-6,6-2,6-3 |
| UTR Pro Tennis Series Miki | 2022/07/16 00:30 | Shunya Maruyama v Kazuki Nishiwaki | 7-6,5-4 |
| UTR Pro Tennis Series Miki | 2022/07/15 02:00 | Toru Horie v Kazuki Nishiwaki | 3-6,3-5 |
| UTR Pro Tennis Series Miki | 2022/07/11 02:00 | Kazuki Nishiwaki v Daisuke Inagawa | 6-0,6-3 |
| UTR Pro Tennis Series Miki | 2022/07/10 00:30 | Kazuki Nishiwaki v Ryotaro Matsumura | 6-1,5-4 |
| UTR Pro Tennis Series Miki | 2022/07/09 00:30 | Ryuki Matsuda v Kazuki Nishiwaki | 1-6,1-6 |