| Davis Cup | 07/29 04:30 | 1 | Phuong Van Nguyen v Mohammad Alkotop | 1-6,2-6 | |
| Davis Cup | 07/28 04:30 | 1 | Phuong Van Nguyen v Abdulmajeed Bukhari | 6-2,6-3 | |
| Davis Cup | 07/27 01:30 | 1 | Phuong Van Nguyen v Ashen Silva | 7-5,6-2 | |
| Davis Cup | 07/26 07:30 | 1 | Phuong Van Nguyen v Hamid Reza Nadaf | 1-6,4-6 | |
| Davis Cup | 08/12 05:55 | 2 | Phuong Van Nguyen v Rabee Sleem | 7-6,6-3 | |
| Davis Cup | 08/11 03:00 | 1 | Phuong Van Nguyen v Hao Sheng Koay | 6-1,1-6,6-3 | |
| ITF M15 Kuching | 08/03 00:50 | 25 | Phuong Van Nguyen v Yamato Sueoka | 1-6,0-6 | |
| ITF M15 Kuching | 08/01 01:30 | 44 | Phuong Van Nguyen v Darrshan Suresh | 6-3,6-3 | |
| ITF M15 Kuching | 07/31 05:00 | 44 | Phuong Van Nguyen v Anurag Agarwal | 6-1,6-4 | |
| ITF M15 Kuala Lumpur | 07/24 04:30 | 44 | Mitsuki Wei Kang Leong v Phuong Van Nguyen | 6-3,6-3 | |
| ITF M15 Tay Ninh | 06/17 03:00 | 26 | Phuong Van Nguyen v Kyle Seelig | Walkover | |
| ITF M15 Tay Ninh | 06/17 02:00 | 27 | Tsung-Hao Huang v Phuong Van Nguyen | 6-1,2-6,6-2 | |
| ITF M15 Tay Ninh | 06/14 04:30 | 25 | Preston Brown v Phuong Van Nguyen | 2-6,6-2,3-6 | |
| ITF M15 Tay Ninh | 06/08 07:00 | 25 | Ryota Tanuma v Phuong Van Nguyen | 6-1,6-2 | |
| ITF M15 Tay Ninh | 06/01 01:55 | 25 | Phuong Van Nguyen v Jeamoon Lee | 3-6,0-6 | |
| Davis Cup | 03/07 13:15 | 45 | Lamine Ouahab v Phuong Van Nguyen | Cancelled | |
| Davis Cup | 03/06 11:30 | 45 | Adam Moundir v Phuong Van Nguyen | 6-1,6-4 | |
| ITF M15 Sharm El Sheikh | 02/25 08:00 | 44 | Issei Okamura v Phuong Van Nguyen | 6-3,4-6,10-6 | |
| ITF M15 Sharm El Sheikh | 02/24 09:00 | 44 | Phuong Van Nguyen v Danil Spasibo | 6-1,7-5 | |
| ITF M25 Tay Ninh | 10/09 02:00 | 25 | Denis Yevseyev v Phuong Van Nguyen | 6-4,6-3 | |
| ITF M25 Tay Ninh | 10/02 03:35 | 25 | Phuong Van Nguyen v Nam Hoang Ly | 3-6,0-6 | |
| ITF M15 Jakarta | 08/21 07:05 | 25 | Manish Sureshkumar v Phuong Van Nguyen | 6-1,6-4 | |
| ITF M15 Jakarta | 08/13 06:20 | 25 | Jumpei Yamasaki v Phuong Van Nguyen | 6-2,6-4 | |
| ITF M15 Jakarta | 08/06 05:45 | 25 | Dusty H. Boyer v Phuong Van Nguyen | 4-6,6-1,6-3 | |
| ITF Vietnam F3 | 05/15 05:45 | 25 | Phuong Van Nguyen v Gengo Kikuchi | 4-6,2-6 | |
| ITF Vietnam F2 | 05/09 05:50 | 26 | Phuong Van Nguyen v Ji Sung Nam | 4-6,2-6 | |
| ITF Vietnam F2 | 05/07 05:00 | 25 | Phuong Van Nguyen v Michael Look | 6-7,6-3,6-4 | |
| ITF Vietnam F1 | 05/02 04:55 | 26 | Phuong Van Nguyen v Takashi Saito | 1-6,4-6 | |
| ITF Vietnam F1 | 05/01 03:00 | 25 | Darren Polkinghorne v Phuong Van Nguyen | 3-6,3-6 | |
| ITF Vietnam F1 | 11/08 03:00 | 26 | Phuong Van Nguyen v Nam Hoang Ly | 4-6,0-6 |