Stadium: Court 10 Round: 27 Ground: Clay
| 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 |
| Rochester, Singles M-ITF-USA-19A | 2019/06/24 17:00 | Cozbinov, Alexander v Kiger, Mac | 6-4,7-6 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2019/06/18 16:55 | Cozbinov, Alexander v Kody Pearson | 6-0,2-6,7-10 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2019/06/17 15:00 | Cozbinov, Alexander v Benson, Corbin | 4-6,6-1,12-10 |
| ITF M25 Wichita | 2019/06/13 17:50 | Brandon Holt v Cozbinov, Alexander | 6-0,6-2 |
| ITF M25 Wichita | 2019/06/12 16:40 | Cozbinov, Alexander v Simon Freund | 7-5,6-3 |
| ITF M15 Pittsburgh | 2019/07/04 14:00 | Mercier, Tyler v Brugnerotto, Marco | 0-6,6-3,6-3 |
| ITF M15 Pittsburgh | 2019/07/03 18:20 | Mostardi, Nico v Mercier, Tyler | 4-6,4-6 |
| Rochester, Singles M-ITF-USA-19A | 2019/06/26 19:50 | Mercier, Tyler v Rotsaert, Alexandre | 3-6,5-7 |
| Rochester, Singles M-ITF-USA-19A | 2019/06/25 19:15 | Mercier, Tyler v Donarski, Sid | 6-3,6-2 |
| Rochester, Singles M-ITF-USA-19A | 2019/06/24 17:00 | Mercier, Tyler v Lavdas, Andreas Anastasis | 6-4,6-3 |
| ITF M15 Cancun | 2019/05/20 19:15 | Maginley, J. v Mercier, Tyler | 6-1,6-4 |
| ITF M15 Cancun | 2019/05/20 14:30 | Reyes, Nicholas Alexander v Mercier, Tyler | 7-5,4-6,7-10 |
| ITF M15 Cancun | 2019/05/15 13:30 | Mercier, Tyler v Tomas Martin Etcheverry | 3-6,3-6 |