Stadium: Court D Round: 26 Ground: Hardcourt outdoor
| ITF M25 Jakarta | 2023/04/19 06:10 | Makoto Ochi v Duckhee Lee | 1-6,3-6 |
| Challenger Busan | 2019/05/07 06:20 | Makoto Ochi v Duckhee Lee | 6-7,4-6 |
| Challenger Gwangju | 2018/08/17 02:00 | Duckhee Lee v Makoto Ochi | 2-6,1-6 |
| ITF M25 Changwon | 2023/06/14 01:00 | Makoto Ochi v Jun Ha Hyun | 6-0,6-3 |
| 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 Daegu | 2023/06/06 03:10 | Duckhee Lee v Jumpei Yamasaki | 1-6,6-4,4-6 |
| ITF M25 Jakarta | 2023/06/01 03:55 | Fitriadi M Rifqi v Duckhee Lee | 6-0,3-6,6-1 |
| Challenger Busan | 2023/05/07 05:05 | Duckhee Lee v Hiroki Moriya | 6-7,0-6 |
| Challenger Seoul | 2023/04/26 05:10 | James Duckworth v Duckhee Lee | 7-6,1-6,6-1 |
| Challenger Seoul | 2023/04/24 05:05 | Luke Saville v Duckhee Lee | 3-6,3-6 |
| Challenger Seoul | 2023/04/23 06:00 | Duckhee Lee v Jason Jung | 7-6,6-4 |
| ITF M25 Jakarta | 2023/04/22 03:55 | Jeamoon Lee v Duckhee Lee | 6-2,6-2 |
| ITF M25 Jakarta | 2023/04/21 02:30 | Duckhee Lee v Tristan Schoolkate | 6-3,4-6,6-0 |