Stadium: Court 15 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Antalya | 2022/04/07 07:00 | Yuki Mochizuki v Rimpei Kawakami | 1-6,2-6 |
| ITF M25 Changwon | 2023/06/15 00:50 | Rimpei Kawakami v Uisung Park | 6-3,6-2 |
| ITF M25 Changwon | 2023/06/14 02:50 | Rimpei Kawakami v Ji Hoon Son | 6-7,6-4,7-5 |
| ITF M25 Mataro | 2023/05/24 11:05 | Gianmarco Ferrari v Rimpei Kawakami | 4-6,6-2,6-3 |
| ITF M25 Gurb | 2023/05/17 08:00 | Rimpei Kawakami v Noah Lopez | 6-4,6-7,4-6 |
| ITF M25 Valldoreix | 2023/05/11 11:20 | Rimpei Kawakami v Nikolas Sanchez Izquierdo | 2-6,4-6 |
| ITF M25 Valldoreix | 2023/05/10 12:05 | Rimpei Kawakami v Diego A B Sanchez | 6-4,5-7,7-5 |
| ITF M25 Kashiwa | 2023/04/07 00:50 | Rimpei Kawakami v Renta Tokuda | 3-6,3-6 |
| ITF M25 Kashiwa | 2023/04/06 01:30 | Rimpei Kawakami v Yuttana Charoenphon | 7-6,6-2 |
| ITF M25 Changwon | 2023/06/15 02:45 | Jungwoong Na v Yuki Mochizuki | 4-6,3-6 |
| ITF M25 Changwon | 2023/06/13 01:00 | Shunsuke Mitsui v Yuki Mochizuki | 4-6,2-6 |
| ITF M25 Daegu | 2023/06/09 01:00 | Yuki Mochizuki v Takuya Kumasaka | 7-6,4-6,2-6 |
| ITF M25 Daegu | 2023/06/08 00:55 | Yuki Mochizuki v Jae Hwan Kim | 7-6,6-3 |
| ITF M25 Daegu | 2023/06/06 06:05 | Yuki Mochizuki v Min Seong Kim | 6-4,6-4 |
| ITF M25 Jakarta | 2023/05/30 06:15 | Yuki Mochizuki v Kokoro Isomura | 6-2,5-7,4-6 |
| Challenger Busan | 2023/05/09 08:00 | Max Purcell v Yuki Mochizuki | 6-3,6-3 |
| Challenger Busan | 2023/05/08 03:40 | Yuki Mochizuki v Tatsuma Ito | 6-4,4-6,6-2 |