Stadium: Court 14 Round: 25 Ground: Hardcourt outdoor
| ITF M25 - Daegu | 2023/06/06 00:50 | Takuya Kumasaka v Makoto Ochi | 6-3,6-1 |
| Challenger - Busan | 2023/05/08 04:25 | Makoto Ochi v Hiroki Moriya | 4-6,4-6 |
| Challenger - Busan | 2023/05/07 05:05 | Peter Gojowczyk v Makoto Ochi | 6-4,2-6,5-7 |
| Challenger - Gwangju | 2023/04/30 05:20 | Jason Jung v Makoto Ochi | 6-4,7-6 |
| ITF M25 - Jakarta | 2023/04/28 02:30 | Brandon Walkin v Makoto Ochi | 7-6,6-4 |
| ITF M25 - Jakarta | 2023/04/27 02:00 | Andrew Rogers v Makoto Ochi | 3-6,4-6 |
| ITF M25 - Jakarta | 2023/04/26 04:05 | Mitsuki Wei Kang Leong v Makoto Ochi | 3-6,1-6 |
| ITF M25 - Jakarta | 2023/04/19 06:10 | Makoto Ochi v Duckhee Lee | 1-6,3-6 |
| ITF M25 - Changwon | 2023/06/12 07:15 | Tae-Woo Lee v Jun Ha Hyun | 5-7,3-6 |
| ITF M25 - Changwon | 2023/06/12 03:10 | Jeong Heon Lee v Jun Ha Hyun | 4-6,2-6 |
| ITF M25 - Changwon | 2023/06/11 07:10 | Dong Hwan Kim v Jun Ha Hyun | 1-6,2-6 |
| ITF M15 - Karuizawa | 2023/05/28 01:15 | Kenta Miyoshi v Jun Ha Hyun | 6-2,6-3 |
| ITF M15 - Jakarta - Kvalifikation | 2023/01/23 02:30 | Yunseok Jang v Jun Ha Hyun | 6-3,6-3 |
| ITF M15 - Jakarta - Kvalifikation | 2023/01/22 06:45 | Jun Ha Hyun v Rifqy S R Sumiarsa | 6-3,6-3 |
| ITF M15 - Jakarta | 2023/01/16 05:40 | Woobin Shin v Jun Ha Hyun | 6-3,6-3 |
| ITF M15 - Jakarta | 2023/01/15 04:35 | Yash Chaurasia v Jun Ha Hyun | 1-6,6-7 |