Stadium: Grandstand Round: 24 Ground: Hardcourt outdoor
| Challenger Busan | 2023/05/08 06:10 | Aleksandar Vukic v Lloyd Harris | 7-6,6-3 |
| Challenger Gwangju | 2023/05/01 06:25 | Lloyd Harris v Christopher Eubanks | 6-7,6-4,4-6 |
| Challenger Seoul | 2023/04/24 05:30 | Aleksandar Vukic v Lloyd Harris | 7-6,7-6 |
| ATP Indian Wells | 2023/03/06 23:55 | Lloyd Harris v Matteo Arnaldi | 4-6,3-6 |
| Challenger Tenerife | 2023/02/03 15:00 | Lloyd Harris v Roberto Marcora | 7-6,6-3 |
| Challenger Tenerife | 2023/02/01 15:55 | Francesco Passaro v Lloyd Harris | 6-3,4-6,5-7 |
| Challenger Tenerife | 2023/01/30 13:50 | Ivan Gakhov v Lloyd Harris | 0-6,4-6 |
| Australian Open | 2023/01/18 06:55 | Lloyd Harris v Marton Fucsovics | 2-6,3-6,7-5,4-6 |
| Challenger Busan | 2023/05/09 05:10 | Sho Shimabukuro v Hiroki Moriya | 6-7,6-2,7-5 |
| Challenger Gwangju | 2023/05/02 02:55 | Aleksandar Vukic v Sho Shimabukuro | 7-5,7-6 |
| Challenger Seoul | 2023/04/24 08:20 | Rinky Hijikata v Sho Shimabukuro | 6-4,7-6 |
| ITF M25 Kashiwa | 2023/04/05 05:35 | Issei Okamura v Sho Shimabukuro | 7-6,0-6,7-6 |
| ITF M25 Tsukuba | 2023/04/02 02:00 | Yu Hsiou Hsu v Sho Shimabukuro | 7-6,6-4 |
| ITF M25 Tsukuba | 2023/04/01 01:00 | Dane Sweeny v Sho Shimabukuro | 2-6,3-6 |
| ITF M25 Tsukuba | 2023/03/31 01:00 | Tatsuma Ito v Sho Shimabukuro | 4-6,2-6 |
| ITF M25 Tsukuba | 2023/03/30 03:05 | Kokoro Isomura v Sho Shimabukuro | 3-6,4-6 |