Stadium: Court 5 Round: 25 Ground: Clay
| ITF M15 Pittsburgh | 2023/07/25 14:00 | Emmett Ward v Lagaev, Nick | 4-6,0-6 |
| ITF M15 Pittsburgh | 2023/07/24 14:00 | Winters, Brett v Lagaev, Nick | 2-6,1-6 |
| ITF M25 Laval | 2023/07/11 19:45 | Sasha Rozin v Lagaev, Nick | 6-4,6-4 |
| ITF M25 Decatur | 2022/08/04 19:30 | Murphy Cassone v Lagaev, Nick | 6-1,3-6,7-5 |
| ITF M25 Decatur | 2022/08/03 19:05 | Pini, Francisco v Lagaev, Nick | 3-6,2-6 |
| ITF M25 Decatur | 2022/08/02 23:05 | Nettles, Jibril v Lagaev, Nick | 6-3,4-6,5-10 |
| ITF M25 Decatur | 2022/08/01 14:00 | Dynka, Tom v Lagaev, Nick | 1-6,2-6 |
| UTR Pro Tennis Series New Jersey | 2022/07/17 16:00 | Lagaev, Nick v Estevez Maximiliano | 6-1,6-3 |
| Challenger Granby | 2023/07/16 19:20 | Patrick Kypson v Tristan McCormick | 7-6,6-2 |
| ITF M25 Laval | 2023/07/14 16:00 | Tristan McCormick v Leo Vithoontien | 4-6,5-7 |
| ITF M25 Laval | 2023/07/13 17:45 | Tristan McCormick v Nicaise Muamba | 7-5,7-6 |
| Challenger Medellin | 2023/06/28 16:50 | Adria Soriano Barrera v Tristan McCormick | 7-6,6-7,7-6 |
| Challenger Medellin | 2023/06/27 18:40 | Tristan McCormick v Guido Andreozzi | 6-7,6-1,7-6 |
| Challenger Medellin | 2023/06/26 23:30 | Tristan McCormick v Keenan Mayo | 6-3,3-6,6-3 |
| Challenger Medellin | 2023/06/26 18:00 | Tristan McCormick v Kelsey Stevenson | 6-4,7-6 |
| Cali, Colombia | 2023/06/19 16:00 | Gonzalo Lama v Tristan McCormick | 6-3,6-7,6-3 |