Estadio: Court 2 Round: 26 Ground: Hardcourt outdoor
| Challenger de Winnipeg | 2019/07/09 17:30 | Alexis Galarneau v Daniel Nguyen | 6-1,1-6,5-7 |
| Challenger de Columbus | 2019/06/11 17:35 | Daniel Nguyen v Thai-Son Kwiatkowski | 6-4,2-6,4-6 |
| Challenger de Columbus | 2019/06/10 20:45 | Daniel Nguyen v Gijs Brouwer | 6-4,6-7,7-5 |
| Challenger de Little Rock | 2019/06/07 17:00 | Ryan Shane v Daniel Nguyen | 3-6,6-3,6-4 |
| Challenger de Little Rock | 2019/06/05 19:00 | Daniel Nguyen v Filip Peliwo | 4-6,6-1,6-0 |
| Challenger de Little Rock | 2019/06/04 20:45 | Daniel Nguyen v Kevin King | 6-2,6-7,6-3 |
| Challenger de Sarasota | 2019/04/15 18:40 | Daniel Nguyen v Ryan Shane | 6-7,5-7 |
| Challenger de Zhangjiagang | 2019/03/19 05:45 | Daniel Nguyen v Lorenzo Giustino | 0-6,3-6 |
| Challenger de Winnipeg | 2019/07/10 20:05 | Toshihide Matsui v Enzo Couacaud | 3-6,2-6 |
| Wimbledon | 2019/06/27 10:00 | Kamil Majchrzak v Enzo Couacaud | 6-2,6-4,6-0 |
| Wimbledon | 2019/06/26 10:00 | Enzo Couacaud v Gianluca Mager | 6-3,6-4 |
| Wimbledon | 2019/06/24 11:00 | Enzo Couacaud v Sebastian Ofner | 3-6,6-3,6-1 |
| Challenger de Nottingham | 2019/06/11 15:25 | John-Patrick Smith v Enzo Couacaud | 6-4,6-2 |
| Open de Francia | 2019/05/24 11:05 | Enzo Couacaud v Elliot Benchetrit | 6-4,6-7,2-6 |
| Open de Francia | 2019/05/22 15:20 | Enzo Couacaud v Arthur De Greef | 6-0,6-3 |
| Open de Francia | 2019/05/21 09:45 | Paolo Lorenzi v Enzo Couacaud | 6-4,4-6,0-6 |