Stadium: Centre Court Round: 26 Ground: Hardcourt outdoor
| ITF M15 Tianjin | 2023/07/05 01:30 | Zhan Zheng v Luca Castelnuovo | 3-6,2-6 |
| ITF M15 Tianjin | 2023/06/30 02:00 | Luca Castelnuovo v Jacob Bradshaw | 6-7,2-6 |
| ITF M15 Tianjin | 2023/06/29 04:20 | Hanwen Li v Luca Castelnuovo | 3-6,2-6 |
| ITF M15 Tianjin | 2023/06/28 11:00 | Jimmy Yang v Luca Castelnuovo | 2-6,1-6 |
| ITF M15 Tianjin | 2023/06/21 03:30 | Yan Bai v Luca Castelnuovo | 6-2,6-4 |
| ITF M15 Tianjin | 2023/06/14 04:35 | Luca Castelnuovo v Hanwen Li | 4-6,6-1,5-7 |
| ITF M15 Kalmar | 2023/05/17 08:00 | Luca Castelnuovo v Jonathan Mridha | 2-6,3-6 |
| ITF M25 Nottingham | 2023/04/27 12:30 | Luca Castelnuovo v George Loffhagen | 2-6,5-7 |
| ITF M15 Tianjin | 2023/07/05 05:55 | Linang Xiao v Duckhee Lee | 6-7,2-6 |
| ITF M15 Tianjin | 2023/06/28 01:00 | Wishaya Trongcharoenchaikul v Duckhee Lee | 6-4,1-6,6-3 |
| ITF M25 Anseong | 2023/06/21 03:40 | Hiroki Sakagawa v Duckhee Lee | 1-6,2-6 |
| ITF M25 Changwon | 2023/06/15 01:25 | Makoto Ochi v Duckhee Lee | 6-0,4-6,6-2 |
| 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 |