Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF USA F19B Qual | 2018/07/16 17:25 | Lebedev, Alexander v Cozbinov, Alexander | 6-2,6-4 |
| Iowa City, Singles Qualifying M-ITF-USA-22A | 2019/07/15 15:00 | Cozbinov, Alexander v Peck, Joshua | 4-6,1-6 |
| ITF M15 Norman | 2019/07/10 14:00 | Cozbinov, Alexander v Ezekiel Clark | 6-7,0-6 |
| ITF M15 Pittsburgh | 2019/07/07 15:00 | Cozbinov, Alexander v Simon Freund | 2-6,6-2,6-1 |
| ITF M15 Pittsburgh | 2019/07/06 17:45 | Shabaz, Michael v Cozbinov, Alexander | 1-6,4-6 |
| ITF M15 Pittsburgh | 2019/07/06 13:00 | Cozbinov, Alexander v Mercier, Tyler | 6-1,6-2 |
| ITF M15 Pittsburgh | 2019/07/04 14:00 | Baird, Drew v Cozbinov, Alexander | 1-6,1-6 |
| ITF M15 Pittsburgh | 2019/07/03 14:00 | Arimilli, Nevin v Cozbinov, Alexander | 2-6,0-6 |
| Rochester, Singles M-ITF-USA-19A | 2019/06/25 17:00 | Cozbinov, Alexander v Lin, Jack Mingjie | 4-6,4-6 |
| ITF M25 Edwardsville | 2019/08/06 14:00 | Lebedev, Alexander v Abraham Asaba | 6-1,6-3 |
| Challenger Lexington | 2019/07/30 14:30 | Lebedev, Alexander v Alexander Ritschard | 6-4,2-6,3-6 |
| Challenger Granby | 2019/07/22 15:45 | Lebedev, Alexander v Gleb Sakharov | 3-6,6-1,0-6 |
| Iowa City, Singles Qualifying M-ITF-USA-22A | 2019/07/17 17:00 | Hady Habib v Lebedev, Alexander | 6-3,6-4 |
| Iowa City, Singles Qualifying M-ITF-USA-22A | 2019/07/16 15:00 | Lebedev, Alexander v Rotsaert, Alexandre | 6-4,7-5 |
| Iowa City, Singles Qualifying M-ITF-USA-22A | 2019/07/15 15:00 | Lebedev, Alexander v Carnevale-Miino, Tommaso | 6-2,6-4 |
| Challenger Winnipeg | 2019/07/09 15:00 | Lebedev, Alexander v Toshihide Matsui | 6-7,4-6 |
| ITF M15 Cancun | 2019/07/06 14:00 | Nicolas Mejia v Lebedev, Alexander | 7-6,6-2 |