Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| Challenger Little Rock | 2019/06/04 20:45 | Daniel Nguyen v Kevin King | 6-2,6-7,6-3 |
| Challenger Fairfield | 2018/10/07 18:20 | Kevin King v Daniel Nguyen | 6-2,6-0 |
| ITF Canada F6 | 2017/09/08 14:30 | Daniel Nguyen v Kevin King | 6-7,5-7 |
| ITF M25 Memphis | 2019/08/14 23:00 | Kevin King v Jacob Dunbar | 1-6,6-4,6-3 |
| ITF M25 Memphis | 2019/08/13 20:30 | Kevin King v Abraham Asaba | 6-1,6-3 |
| ITF M25 Edwardsville | 2019/08/09 20:00 | Ezekiel Clark v Kevin King | 3-6,7-5,6-1 |
| ITF M25 Edwardsville | 2019/08/08 17:30 | Carson Haskins v Kevin King | 2-6,2-6 |
| ITF M25 Edwardsville | 2019/08/07 22:40 | James Trotter v Kevin King | 3-6,0-6 |
| ATP Atlanta | 2019/07/25 23:00 | Kevin King v Taylor Fritz | 2-6,3-6 |
| ATP Atlanta | 2019/07/24 00:35 | Grigor Dimitrov v Kevin King | 5-7,4-6 |
| ATP Atlanta | 2019/07/20 18:15 | Guido Andreozzi v Kevin King | 5-7,6-4,6-7 |
| ITF M25 Memphis | 2019/08/14 15:00 | Liam Caruana v Daniel Nguyen | 4-6,6-7 |
| Challenger Winnipeg | 2019/07/13 17:00 | Brayden Schnur v Daniel Nguyen | 6-2,7-5 |
| Challenger Winnipeg | 2019/07/12 17:00 | Daniel Nguyen v Antoine Hoang | 7-6,4-6,6-3 |
| Challenger Winnipeg | 2019/07/11 16:00 | Daniel Nguyen v Enzo Couacaud | 1-6,6-3,6-2 |
| Challenger Winnipeg | 2019/07/09 17:30 | Alexis Galarneau v Daniel Nguyen | 6-1,1-6,5-7 |
| Challenger Columbus | 2019/06/11 17:35 | Daniel Nguyen v Thai-Son Kwiatkowski | 6-4,2-6,4-6 |
| Challenger Columbus | 2019/06/10 20:45 | Daniel Nguyen v Gijs Brouwer | 6-4,6-7,7-5 |
| Challenger Little Rock | 2019/06/07 17:00 | Ryan Shane v Daniel Nguyen | 3-6,6-3,6-4 |