Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Los Angeles | 2019/01/01 19:40 | Alexis Gautier v Daniel Nguyen | 1-6,2-6 |
| Challenger Champaign | 2018/11/10 17:40 | Daniel Nguyen v Ruan Roelofse | 2-6,2-6 |
| Challenger Knoxville | 2018/11/04 22:45 | Nathaniel Lammons v Daniel Nguyen | 6-4,3-6,6-4 |
| Challenger Charlottesville | 2018/10/27 18:30 | Mikael Ymer v Daniel Nguyen | 3-6,6-2,6-4 |
| Challenger Las Vegas | 2018/10/20 17:00 | Daniel Nguyen v Thai-Son Kwiatkowski | 2-6,3-6 |
| 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 |
| ITF M25 Los Angeles | 2019/01/02 18:00 | Alexander Lebedev v Pavel Krainik | 6-4,6-2 |
| ITF M25 Los Angeles | 2019/01/01 18:00 | Lucas Poullain v Alexander Lebedev | 5-7,6-0,4-10 |
| ITF M25 Los Angeles | 2018/12/31 18:00 | Zachary Svajda v Alexander Lebedev | 2-6,3-6 |
| ITF USA F28 | 2018/10/15 14:00 | Lucas Poullain v Alexander Lebedev | 6-3,7-5 |
| ITF USA F28 | 2018/10/14 15:00 | Zachary Svajda v Alexander Lebedev | 5-7,2-6 |
| ITF USA F28 | 2018/10/13 15:00 | Andrew Ely v Alexander Lebedev | 3-6,1-6 |
| ITF USA F23 | 2018/08/15 17:10 | Alexander Lebedev v Liam Caruana | 0-6,3-6 |
| ITF USA F23 Qual | 2018/08/13 15:55 | Alexander Lebedev v Gilbert S K Junior | 6-1,6-3 |