Stadium: Sub Court B Round: 54 Ground: Hardcourt outdoor
| ITF M25 Sapporo | 2024/09/08 01:00 | Kohei Hayashi v Hiromasa Koyama | 6-2,6-4 |
| ITF M15 Tokyo | 2024/07/09 02:45 | Sho Katayama v Kohei Hayashi | 6-3,6-0 |
| ITF M15 Harmon | 2024/06/05 04:30 | Kohei Hayashi v Tatsuma Ito | 4-6,6-3,1-6 |
| ITF M15 Harmon | 2024/06/03 01:00 | Kohei Hayashi v Adrian Arcon | 3-6,6-2,10-8 |
| ITF M15 Harmon | 2024/06/02 00:00 | Kohei Hayashi v Ryoto Tachi | 7-5,4-6,10-3 |
| ITF M15 Karuizawa | 2024/05/30 00:45 | Kohei Hayashi v Kaichi Uchida | 5-7,6-7 |
| ITF M15 Karuizawa | 2024/05/29 02:30 | Kohei Hayashi v Shinji Hazawa | 3-6,6-4,10-8 |
| ITF M25 Hong Kong | 2024/08/29 04:15 | Hien Q H Pham v Aidan Mchugh | 4-6,2-6 |
| ITF M25 Hong Kong | 2024/08/28 06:20 | Hien Q H Pham v Jack Cheng | 4-6,7-5,6-3 |
| ITF M25 Hong Kong | 2024/08/27 02:00 | Wenfu Li v Hien Q H Pham | 6-4,1-6,5-10 |
| ITF M25 Hong Kong | 2024/08/26 02:00 | Ethan Yi Hang Leung v Hien Q H Pham | 4-6,3-6 |
| ITF M15 Tokyo | 2024/07/08 01:00 | Kenta Miyoshi v Hien Q H Pham | 6-1,6-1 |
| ITF M15 Tokyo | 2024/07/01 01:00 | Hien Q H Pham v Yusuke Kusuhara | 3-6,3-6 |
| UTR Pro Kawaguchi | 2024/06/26 00:30 | Hien Q H Pham v Rikuto Yamaguchi | 4-6,3-6 |
| UTR Pro Kawaguchi | 2024/06/25 00:00 | Hien Q H Pham v Yuta Tomida | 3-6,6-4,2-6 |