Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF Malaysia F2 | 2018/07/08 04:30 | Kazuma Kawachi v Hobbs, Roy | 6-4,6-2 |
| ITF Indonesia F4 Qual | 2017/03/27 05:05 | Hobbs, Roy v Kazuma Kawachi | 6-2,6-0 |
| 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 |
| ITF - M15 Karuizawa | 2023/05/30 07:05 | Kazuma Kawachi v Ko Nagashima | 6-2,6-3 |
| ITF - M15 Monastir | 2023/04/18 12:45 | Bogdan Bobrov v Kazuma Kawachi | 6-2,6-3 |
| ITF - M15 Monastir | 2023/04/12 08:30 | Kazuma Kawachi v Koray Kirci | 1-6,1-6 |
| Singapore, Singles Qualifying M-ITF-SGP-01A | 2023/04/03 08:00 | Tommy Czaplinski v Hobbs, Roy | 4-6,6-2,10-8 |
| Singapore, Singles Qualifying M-ITF-SGP-01A | 2023/04/02 02:00 | Hobbs, Roy v Blake Bayldon | 6-3,6-7,10-5 |
| ITF M25 Jakarta | 2022/10/30 09:10 | Pham, Minhtuan v Hobbs, Roy | 6-3,6-1 |
| ITF M25 Jakarta | 2022/10/30 04:30 | Hobbs, Roy v Muhammad H R Djufri | 6-1,6-3 |
| Coupe Davis | 2022/10/22 08:15 | Bun, Kenny v Hobbs, Roy | 2-0 |
| Coupe Davis | 2022/10/21 07:15 | Camacho, Camden v Hobbs, Roy | 6-4,5-7,2-6 |
| Coupe Davis | 2022/10/19 08:40 | Bader Alabdullah v Hobbs, Roy | 6-3,3-6,1-6 |
| Coupe Davis | 2022/10/17 07:30 | Faris A A Al Toobli v Hobbs, Roy | 1-6,1-6 |