Stadium: Court 6 Round: 26 Ground: Hardcourt outdoor
| Akishima, Singles M-ITF-JPN-08A | 2019/06/14 01:00 | Kawahashi, Yuta v Kazuma Kawachi | 7-5,6-1 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/17 05:00 | Omar Jasika v Kawahashi, Yuta | 6-1,6-3 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/17 02:00 | Kawahashi, Yuta v Patrik Oplustil | 6-2,6-2 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/15 02:00 | Kawahashi, Yuta v Nitin Kumar Sinha | 2-6,6-2,6-1 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/14 04:30 | Sidharth Rawat v Kawahashi, Yuta | 5-7,5-7 |
| ITF - M15 Karuizawa | 2023/06/04 02:00 | Kawahashi, Yuta v Tatsuma Ito | 7-5,6-2 |
| ITF - M15 Karuizawa | 2023/06/03 07:30 | Sanhui Shin v Kawahashi, Yuta | 3-6,6-3,6-7 |
| ITF - M15 Karuizawa | 2023/06/03 03:30 | Kawahashi, Yuta v Hikaru Shiraishi | 7-5,1-6,10-7 |
| ITF - M15 Karuizawa | 2023/06/01 00:30 | Jake Delaney v Kawahashi, Yuta | 2-6,2-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/28 02:00 | Yuichiro Inui v Kazuma Kawachi | 6-3,6-7,5-7 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/22 02:00 | Koki Matsuda v Kazuma Kawachi | 7-6,4-6,6-2 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/20 07:20 | Kazuma Kawachi v Hobbs, Roy | 6-2,6-1 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/17 02:00 | Kazuma Kawachi v Barki, Justin | 4-6,4-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/15 02:00 | Kazuma Kawachi v Trismuwantara, Gunawan | 6-1,6-2 |
| Jakarta, Singles Main, M-ITF-INA-02A | 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 |