Stadion: Court 7 Round: 14 Ground: Hardcourt outdoor
| Challenger - Pozoblanco | 2023/07/16 17:00 | Ji Sung Nam v Fajing Sun | 6-7,1-6 |
| Challenger - Yokohama | 2023/11/19 05:25 | Fajing Sun v Yunseong Chung | 4-6,4-6 |
| Challenger - Shenzhen | 2023/10/16 07:05 | Fajing Sun v Alibek Kachmazov | 3-6,6-7 |
| Challenger - Shenzhen | 2023/10/10 05:00 | Fajing Sun v Egor Gerasimov | 3-6,4-6 |
| Challenger - Shenzhen | 2023/10/09 12:30 | Fajing Sun v Chukang Wang | 6-2,6-2 |
| ATP - Shanghai | 2023/10/03 09:00 | Yu Hsiou Hsu v Fajing Sun | 6-7,6-3,6-1 |
| ATP - Shanghai | 2023/10/02 10:30 | Fajing Sun v Alex Bolt | 7-6,6-3 |
| Challenger - Shanghai | 2023/09/05 07:45 | Tung-Lin Wu v Fajing Sun | 7-6,3-6,6-2 |
| Challenger - Zhangjiagang | 2023/08/29 09:20 | Fajing Sun v Terence Atmane | 6-4,6-7,6-7 |
| Challenger - Sydney | 2023/11/03 00:00 | Ji Sung Nam v Rinky Hijikata | 7-6,5-7,6-7 |
| Challenger - Sydney | 2023/11/01 23:00 | Ji Sung Nam v Dane Sweeny | 6-4,6-2 |
| Challenger - Sydney | 2023/10/30 23:00 | Tristan Schoolkate v Ji Sung Nam | 6-7,4-6 |
| Challenger - Sydney | 2023/10/29 23:00 | Yusuke Takahashi v Ji Sung Nam | 3-6,1-6 |
| Challenger - Sydney | 2023/10/29 00:20 | Ji Sung Nam v Alexander Klintcharov | 6-2,7-6 |
| Challenger - Playford | 2023/10/24 23:30 | Ji Sung Nam v Rinky Hijikata | 4-6,6-7 |
| Challenger - Playford | 2023/10/23 00:55 | Thomas Fancutt v Ji Sung Nam | 6-2,2-6,5-7 |
| Challenger - Playford | 2023/10/22 02:35 | Mac Kiger v Ji Sung Nam | 7-5,2-6,0-6 |