Stadium: Court 4 Round: 44 Ground: Hardcourt outdoor
| ITF M25 Jakarta | 2023/04/09 07:00 | Christian Andre Sheng Liew v Seon Yong Han | 6-3,1-6,8-10 |
| ITF M15 Singapore | 2023/04/06 06:00 | Fajing Sun v Seon Yong Han | 7-5,6-3 |
| ITF M15 Singapore | 2023/04/05 05:25 | Kelsey Stevenson v Seon Yong Han | 6-2,4-6,2-6 |
| ITF M15 Singapore | 2023/04/03 08:00 | Seon Yong Han v Geni Inoue | 6-2,6-2 |
| ITF M25 Canberra | 2023/03/21 22:50 | Hans C B Gonzalez v Seon Yong Han | 5-7,7-6,6-4 |
| ITF M25 Canberra | 2023/03/20 22:50 | Ko Suzuki v Seon Yong Han | 6-3,2-6,6-10 |
| ITF M25 Canberra | 2023/03/19 23:00 | Dwaine Duncan v Seon Yong Han | 6-3,2-6,6-10 |
| ITF M25 Canberra | 2023/03/13 01:30 | Seon Yong Han v Thomas Patton | 6-1,5-7,7-10 |
| ITF M25 Kashiwa | 2023/04/03 05:00 | Yuttana Charoenphon v Tomohiro Masabayashi | 7-5,2-6,10-6 |
| ITF M25 Tsukuba | 2023/03/27 00:30 | Shunsuke Nakagawa v Tomohiro Masabayashi | 5-7,6-3,10-7 |
| UTR Pro Miki | 2023/02/12 02:00 | Tomohiro Masabayashi v Seita Watanabe | 4-6,1-5 |
| UTR Pro Miki | 2023/02/11 02:00 | Tomohiro Masabayashi v Natsuki Yamamoto | 6-0,6-3 |
| UTR Pro Miki | 2023/02/10 00:30 | Tomohiro Masabayashi v Riki Takahata | 6-3,6-3 |
| UTR Pro Miki | 2023/02/09 02:00 | Tomohiro Masabayashi v Shion Itsusaki | 6-1,6-4 |
| UTR Pro Miki | 2023/02/08 02:00 | Sora Fukuda v Tomohiro Masabayashi | 6-4,6-4 |
| UTR Pro Miki | 2023/02/07 00:30 | Shun Oue v Tomohiro Masabayashi | 2-6,4-6 |