| Challenger - Houston | 11/13 16:00 | 25 | [350] Daniel Nguyen v Jason Jung [130] | 3-6,2-6 | |
| Challenger - Houston | 11/12 17:00 | 24 | Sumit Sarkar v Daniel Nguyen | 1-6,0-6 | |
| ITF M25 Waco | 10/16 15:00 | - | Daniel Nguyen v Nick Chappell | View | |
| ITF M25 Tay Ninh | 10/14 03:00 | 29 | [419] Rio Noguchi v Daniel Nguyen [446] | 4-6,2-6 | |
| ITF M25 Tay Ninh | 10/12 06:35 | 28 | Billy Harris v Daniel Nguyen | 6-2,6-7,1-6 | |
| ITF M25 Tay Ninh | 10/11 05:10 | 27 | [446] Daniel Nguyen v Shuichi Sekiguchi [283] | Retired | |
| ITF M25 Tay Ninh | 10/10 05:15 | 26 | [446] Daniel Nguyen v Arjun Kadhe [168] | 6-2,7-6 | |
| ITF M25 Tay Ninh | 10/09 07:45 | 25 | [446] Daniel Nguyen v Hiroyasu Ehara [464] | 6-4,6-2 | |
| ITF M25 Tay Ninh | 10/07 03:00 | 29 | [496] Nam Hoang Ly v Daniel Nguyen [445] | 3-6,5-7 | |
| ITF M25 Tay Ninh | 10/05 09:00 | 28 | Kazuki Nishiwaki v Daniel Nguyen | 2-6,3-6 | |
| ITF M25 Tay Ninh | 10/04 09:30 | 27 | Daniel Nguyen v Goncalo Oliveira | Walkover | |
| ITF M25 Tay Ninh | 10/03 02:10 | 26 | Daniel Nguyen v Makoto Ochi | 4-6,6-4,7-5 |