| ITF M15 Pittsburgh | 2019/07/03 15:40 | Nick Lagaev v Dragos Constantin Ignat | 1-6,1-6 |
| ITF M15 Pittsburgh | 2019/07/02 14:00 | Yang Liu v Nick Lagaev | 4-6,5-7 |
| ITF M15 Pittsburgh | 2019/07/01 14:00 | Nick Lagaev v Shane Monroe | 6-4,2-6,10-5 |
| ITF M15 Rochester | 2019/06/24 17:00 | Nick Lagaev v Jordan Parker | 3-6,2-6 |
| ITF USA F33 | 2018/11/17 15:00 | Nick Lagaev v Alex Kobelt | 4-6,3-6 |
| ITF Canada F7 | 2018/09/11 21:20 | Junior Alexander Ore v Nick Lagaev | 6-2,6-3 |
| ITF Canada F6 | 2018/09/03 16:55 | Nick Lagaev v Alexander Knight | 2-6,2-6 |
| ITF Canada F6 | 2018/09/02 15:00 | Ivan Endara v Nick Lagaev | 6-2,0-6,3-6 |
| UTR Pro Tennis Series Nevada | 2021/06/21 15:00 | Bjorn Swenson v Jonas Maier | 6-4,6-4 |