Stadium: Court 3 Round: 45 Ground: Hardcourt outdoor
| ITF Canada F7 | 2014/08/16 18:00 | Daniel Nguyen v Thai-Son Kwiatkowski | 2-6,6-3,7-6 |
| ITF USA F16 | 2014/06/18 17:40 | Daniel Nguyen v Thai-Son Kwiatkowski | 3-6,6-3,6-1 |
| Challenger Fairfield | 2018/10/07 18:20 | Kevin King v Daniel Nguyen | 6-2,6-0 |
| Challenger Fairfield | 2018/10/06 21:30 | Daniel Nguyen v Dayne Kelly | 6-3,7-5 |
| Challenger Stockton | 2018/09/29 22:00 | Daniel Nguyen v Andrew Harris | 0-6,4-6 |
| Challenger Tiburon | 2018/09/22 20:15 | Daniel Nguyen v Jared Hiltzik | 4-6,7-6,1-6 |
| ITF Japan F2 | 2018/03/18 02:00 | Daniel Nguyen v Tung-Lin Wu | 6-7,7-6,7-6 |
| ITF Japan F2 | 2018/03/17 03:45 | Kaichi Uchida v Daniel Nguyen | 6-4,3-6,3-6 |
| ITF Japan F2 | 2018/03/16 01:00 | Daniel Nguyen v Kaito Uesugi | 6-2,2-6,7-6 |
| ITF Japan F2 | 2018/03/15 02:40 | Daniel Nguyen v Yuya Kibi | 6-2,1-6,6-1 |
| Challenger Fairfield | 2018/10/07 18:15 | Thai-Son Kwiatkowski v Frederik Nielsen | 7-6,3-6,5-7 |
| Challenger Fairfield | 2018/10/06 22:15 | Marcos Giron v Thai-Son Kwiatkowski | 6-4,2-6,4-6 |
| Challenger Stockton | 2018/10/03 20:00 | Lloyd Harris v Thai-Son Kwiatkowski | 6-2,6-4 |
| Challenger Stockton | 2018/10/01 18:35 | Thai-Son Kwiatkowski v Lucas Miedler | 3-6,7-6,6-4 |
| Challenger Columbus | 2018/09/21 16:45 | Mikael Torpegaard v Thai-Son Kwiatkowski | 6-4,6-2 |
| Challenger Columbus | 2018/09/19 19:35 | Thai-Son Kwiatkowski v Peter Polansky | 7-6,2-6,7-6 |
| Challenger Columbus | 2018/09/18 16:45 | Vincent Millot v Thai-Son Kwiatkowski | 2-6,4-6 |
| Challenger Columbus | 2018/09/17 14:00 | Thai-Son Kwiatkowski v Joris De Loore | 3-6,6-4,7-6 |