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