Stadium: C.2 Round: 26 Ground: Synthetic outdoor
| ITF Japan F8 | 2018/06/14 03:00 | Rimpei Kawakami v Kazuma Kawachi | 6-1,2-6,7-6 |
| ITF M15 Akishima | 2019/06/11 05:30 | Kazuma Kawachi v Yuichi Ito | 6-2,6-1 |
| ITF M15 Singapore | 2019/06/06 09:00 | Dayne Kelly v Kazuma Kawachi | 6-3,6-1 |
| ITF M15 Singapore | 2019/06/05 04:20 | Shahin Khaledan v Kazuma Kawachi | 3-6,2-6 |
| ITF M15 Singapore | 2019/06/04 02:00 | Kazuma Kawachi v Digvijay Pratap Singh | 6-1,6-3 |
| ITF M15 Singapore | 2019/06/03 02:00 | Kazuma Kawachi v Timothy Lim | 6-3,6-0 |
| ITF M15 Singapore | 2019/05/31 02:00 | Maksim Tikhomirov v Kazuma Kawachi | 6-4,6-2 |
| ITF M15 Singapore | 2019/05/28 02:00 | Kazuma Kawachi v Timothy Lim | 6-0,6-1 |
| ITF M15 Tabarka | 2019/05/16 10:00 | Kazuma Kawachi v Juan Ignacio Alcalde | 6-7,3-6 |
| ITF M15 Akishima | 2019/06/11 07:10 | Goran Markovic v Rimpei Kawakami | 0-6,2-6 |
| ITF M15 Singapore | 2019/06/06 11:40 | Rimpei Kawakami v Harry Bourchier | 6-7,6-1,3-6 |
| ITF M15 Singapore | 2019/06/04 06:10 | Rimpei Kawakami v Adil Kalyanpur | 6-1,6-3 |
| ITF M15 Singapore | 2019/05/29 02:00 | Rimpei Kawakami v Shamirul S Mohd Adam Das | 6-1,6-4 |
| ITF M25 Luan | 2019/05/16 03:30 | Rimpei Kawakami v Yecong He | 7-5,2-6,4-6 |
| ITF M25 Luan | 2019/05/15 07:40 | Rimpei Kawakami v Natthasith Kunsuwan | 6-4,6-1 |
| ITF M25 Wuhan | 2019/05/06 07:50 | Kousuke Ogura v Rimpei Kawakami | 6-4,6-4 |
| ITF M25 Matsuyama | 2019/04/09 01:00 | Rimpei Kawakami v Rinky Hijikata | 4-6,2-6 |