Stadium: COURT 1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Ipoh Perak | 2023/11/21 07:09 | Hao Sheng Koay v Sheng Tang | 6-3,4-6,4-6 |
| ITF M15 Kuching | 2023/11/13 03:00 | Patrik Oplustil v Hao Sheng Koay | 7-6,5-7,10-7 |
| Davis Cup | 2022/08/13 03:00 | Hao Sheng Koay v Abdulrahman Al Janahi | 6-2,6-2 |
| Davis Cup | 2022/08/12 03:00 | Mohammad Alkotop v Hao Sheng Koay | 3-6,1-6 |
| Davis Cup | 2022/08/11 03:00 | Phuong Van Nguyen v Hao Sheng Koay | 6-1,1-6,6-3 |
| ITF M15 Kuala Lumpur | 2022/07/26 02:15 | Hao Sheng Koay v Keisuke Saitoh | 3-6,1-6 |
| Davis Cup | 2021/09/18 07:00 | Linh Giang Trinh v Hao Sheng Koay | 6-3,7-5 |
| Davis Cup | 2021/09/17 07:00 | Abdulhamid Mubarak v Hao Sheng Koay | 7-5,2-6,4-6 |
| ITF M15 Ipoh Perak | 2023/11/23 07:15 | Sora Fukuda v Antoine Berger | 6-3,6-4 |
| ITF M15 Ipoh Perak | 2023/11/23 02:55 | Sora Fukuda v Mattias Southcombe | 6-3,6-3 |
| ITF M15 Kuching | 2023/11/16 04:55 | Sora Fukuda v Andre Ilagan | 3-6,3-6 |
| ITF M15 Kuching | 2023/11/15 03:30 | Sora Fukuda v Jesse Delaney | 6-1,7-5 |
| UTR Pro Noda | 2023/10/22 00:00 | Sora Fukuda v Ryota Tanuma | 6-2,6-1 |
| UTR Pro Noda | 2023/10/21 00:00 | Sora Fukuda v Kazuma Kawachi | 6-1,5-3 |
| UTR Pro Noda | 2023/10/20 01:30 | Masaya Yufu v Sora Fukuda | 4-6,3-6 |
| UTR Pro Noda | 2023/10/19 02:24 | Brody Nejedly-Krall v Sora Fukuda | 0-6,1-6 |