Stadium: Court 6 Round: 25 Ground: Hardcourt indoor
| ITF M15 Champaign | 2019/06/05 23:00 | Ezekiel Clark v Cozbinov, Alexander | 4-6,6-2,6-4 |
| 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 |
| 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 | 2019/06/22 16:30 | Riffice, Sam v Ezekiel Clark | 6-3,6-3 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2019/06/21 16:25 | Nick Chappell v Ezekiel Clark | 1-6,4-6 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2019/06/20 16:40 | Ezekiel Clark v Redlicki, Michael | 3-6,6-1,6-2 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2019/06/19 22:30 | Emmett Ward v Ezekiel Clark | 3-6,1-6 |
| ITF M25 Wichita | 2019/06/13 17:10 | Ezekiel Clark v Riffice, Sam | 4-6,4-6 |
| ITF M25 Wichita | 2019/06/12 17:25 | Nathan Ponwith v Ezekiel Clark | 1-6,6-1,4-6 |
| ITF M25 Wichita | 2019/06/11 15:00 | Ezekiel Clark v Nicaise Muamba | 3-6,7-6,11-9 |
| ITF M25 Wichita | 2019/06/10 15:00 | Ezekiel Clark v Vandecasteele, Luke | 6-0,6-1 |