Stadium: Court12 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Tucson | 2019/01/07 18:30 | Cozbinov, Alexander v Rapp, Austin | 6-2,6-3 |
| Challenger Columbus | 2020/02/26 21:25 | Cozbinov, Alexander v Istomin, Denis | 2-6,2-6 |
| Challenger Columbus | 2020/02/25 16:20 | Cozbinov, Alexander v Luca Castelnuovo | 6-3,6-2 |
| ITF M15 Cancun | 2020/02/20 14:00 | Ribeiro Marcondes, Igor v Cozbinov, Alexander | 6-2,6-2 |
| ITF M15 Cancun | 2020/02/18 14:00 | Segarelli, Emilio Andrea v Cozbinov, Alexander | 1-6,2-6 |
| ITF M15 Cancun | 2020/02/13 14:00 | Cozbinov, Alexander v Farren, Connor | 6-7,6-7 |
| ITF M15 Cancun | 2020/02/11 14:00 | Cozbinov, Alexander v Lipovsek Puches, Tomas | 6-3,6-1 |
| ITF M15 Cancun | 2020/02/03 14:00 | Cozbinov, Alexander v Jose Pereira | 0-6,2-6 |
| ITF M15 Cancun | 2020/02/02 14:00 | Cozbinov, Alexander v Alexandre, Ronaldo | 6-1,6-3 |
| Challenger Columbus | 2020/02/25 16:35 | Bangoura, Sekou v Rapp, Austin | 6-3,6-3 |
| ITF M15 Cancun | 2020/02/21 15:35 | Brymer, Gage v Rapp, Austin | 6-2,6-3 |
| ITF M15 Cancun | 2020/02/20 16:30 | Rapp, Austin v Martinez Sarrasague, Felipe | 6-4,6-4 |
| ITF M15 Cancun | 2020/02/18 14:00 | Farren, Connor v Rapp, Austin | 3-6,6-1,3-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/02/05 04:25 | Rapp, Austin v Laurent Lokoli | 2-6,2-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/02/04 04:10 | Nam Hoang Ly v Rapp, Austin | 3-6,3-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/02/03 04:55 | Nitin Kumar Sinha v Rapp, Austin | 1-6,6-3,8-10 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/02/02 09:30 | Prashanth, N. Vijay Sundar v Rapp, Austin | 1-6,3-6 |