Estadio: CC Round: 1
| ITF M15 Kuching | 2022/08/03 00:50 | Phuong Van Nguyen v Yamato Sueoka | 1-6,0-6 |
| ITF M15 Kuching | 2022/08/01 01:30 | Phuong Van Nguyen v Darrshan Suresh | 6-3,6-3 |
| ITF M15 Kuching | 2022/07/31 05:00 | Phuong Van Nguyen v Anurag Agarwal | 6-1,6-4 |
| ITF M15 Kuala Lumpur | 2022/07/24 04:30 | Mitsuki Wei Kang Leong v Phuong Van Nguyen | 6-3,6-3 |
| ITF M15 Tay Ninh | 2022/06/17 02:00 | Tsung-Hao Huang v Phuong Van Nguyen | 6-1,2-6,6-2 |
| ITF M15 Tay Ninh | 2022/06/14 04:30 | Preston Brown v Phuong Van Nguyen | 2-6,6-2,3-6 |
| ITF M15 Tay Ninh | 2022/06/08 07:00 | Ryota Tanuma v Phuong Van Nguyen | 6-1,6-2 |
| ITF M15 Tay Ninh | 2022/06/01 01:55 | Phuong Van Nguyen v Jeamoon Lee | 3-6,0-6 |
| ITF M15 Kuala Lumpur | 2022/07/26 02:15 | Hao Sheng Koay v Keisuke Saitoh | 3-6,1-6 |
| Copa Davis | 2021/09/18 07:00 | Linh Giang Trinh v Hao Sheng Koay | 6-3,7-5 |
| Copa Davis | 2021/09/17 07:00 | Abdulhamid Mubarak v Hao Sheng Koay | 7-5,2-6,4-6 |
| Copa Davis | 2021/09/15 06:55 | Coleman Wong v Hao Sheng Koay | 6-3,6-1 |
| ITF M15 Monastir | 2021/09/05 11:00 | Hao Sheng Koay v Johannes Ingildsen | 6-3,6-7,3-10 |
| ITF M15 Monastir | 2021/08/29 10:30 | Hao Sheng Koay v Luis Diego Chavez Villalpando | 4-6,6-4,9-11 |
| Copa Davis | 2017/07/21 05:30 | Hao Sheng Koay v Jabor Mohammed Ali Mutawa | 6-7,6-1,4-6 |
| ITF Sri Lanka F2 | 2017/06/27 03:00 | Giovani Samaha v Hao Sheng Koay | 6-3,6-2 |