Stadium: Court 6 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Akishima | 2019/06/14 01:00 | Yuta Kawahashi v Kazuma Kawachi | 7-5,6-1 |
| ITF M15 Jakarta | 2023/06/17 05:00 | Omar Jasika v Yuta Kawahashi | 6-1,6-3 |
| ITF M15 Jakarta | 2023/06/17 02:00 | Yuta Kawahashi v Patrik Oplustil | 6-2,6-2 |
| ITF M15 Jakarta | 2023/06/15 02:00 | Yuta Kawahashi v Nitin Kumar Sinha | 2-6,6-2,6-1 |
| ITF M15 Jakarta | 2023/06/14 04:30 | Sidharth Rawat v Yuta Kawahashi | 5-7,5-7 |
| ITF M15 Karuizawa | 2023/06/04 02:00 | Yuta Kawahashi v Tatsuma Ito | 7-5,6-2 |
| ITF M15 Karuizawa | 2023/06/03 07:30 | Sanhui Shin v Yuta Kawahashi | 3-6,6-3,6-7 |
| ITF M15 Karuizawa | 2023/06/03 03:30 | Yuta Kawahashi v Hikaru Shiraishi | 7-5,1-6,10-7 |
| ITF M15 Karuizawa | 2023/06/01 00:30 | Jake Delaney v Yuta Kawahashi | 2-6,2-6 |
| ITF M15 Jakarta | 2023/06/28 02:00 | Yuichiro Inui v Kazuma Kawachi | 6-3,6-7,5-7 |
| ITF M15 Jakarta | 2023/06/22 02:00 | Koki Matsuda v Kazuma Kawachi | 7-6,4-6,6-2 |
| ITF M15 Jakarta | 2023/06/20 07:20 | Kazuma Kawachi v Roy Hobbs | 6-2,6-1 |
| ITF M15 Jakarta | 2023/06/17 02:00 | Kazuma Kawachi v Justin Barki | 4-6,4-6 |
| ITF M15 Jakarta | 2023/06/15 02:00 | Kazuma Kawachi v Gunawan Trismuwantara | 6-1,6-2 |
| ITF M15 Jakarta | 2023/06/14 02:00 | Kazuma Kawachi v Moerani Bouzige | 6-4,6-4 |
| ITF M15 Karuizawa | 2023/06/03 03:30 | Kazuma Kawachi v Tatsuma Ito | 1-6,4-6 |
| ITF M15 Karuizawa | 2023/06/01 00:30 | Kazuma Kawachi v Ko Suzuki | 6-2,1-6,7-5 |