| ITF - M15 Monastir | 01/10 12:30 | 44 | Cozbinov, Alexander v de Cuyper, Julien | 6-1,6-7,10-2 | |
| ITF - M15 Monastir | 01/05 11:05 | 25 | Cozbinov, Alexander v Takeuchi, Kento (1987) | 1-6,6-4,5-7 | |
| ITF M15 Fayetteville | 11/05 18:20 | 26 | [208] Thai-Son Kwiatkowski v Cozbinov, Alexander [380] | 6-4,6-4 | |
| ITF M15 Fayetteville | 11/04 18:55 | 25 | Stalder, Reese v Cozbinov, Alexander | 6-7,2-6 | |
| Las Vegas, Singles M-ITF-USA-07A | 03/04 19:20 | 25 | [346] Cozbinov, Alexander v Rapp, Austin [329] | 7-6,0-6,5-7 | |
| Challenger Columbus | 02/26 21:25 | 25 | [353] Cozbinov, Alexander v Istomin, Denis [165] | 2-6,2-6 | |
| Challenger Columbus | 02/25 16:20 | 24 | [353] Cozbinov, Alexander v Luca Castelnuovo [429] | 6-3,6-2 | |
| ITF M15 Cancun | 02/20 14:00 | 26 | Ribeiro Marcondes, Igor v Cozbinov, Alexander | 6-2,6-2 | |
| ITF M15 Cancun | 02/18 14:00 | 25 | Segarelli, Emilio Andrea v Cozbinov, Alexander | 1-6,2-6 | |
| ITF M15 Cancun | 02/13 14:00 | 26 | Cozbinov, Alexander v Farren, Connor | 6-7,6-7 | |
| ITF M15 Cancun | 02/11 14:00 | 25 | Cozbinov, Alexander v Lipovsek Puches, Tomas | 6-3,6-1 | |
| ITF M15 Cancun | 02/03 14:00 | 44 | Cozbinov, Alexander v Jose Pereira | 0-6,2-6 | |
| ITF M15 Cancun | 02/02 14:00 | 44 | Cozbinov, Alexander v Alexandre, Ronaldo | 6-1,6-3 | |
| ATP Cup, Playoffs | 01/06 23:00 | 1 | [52] Cameron Norrie v Cozbinov, Alexander [387] | 6-2,6-2 | |
| ATP Cup, Playoffs | 01/04 23:00 | 1 | [423] Dimitar Kuzmanov v Cozbinov, Alexander [388] | 6-1,7-5 | |
| ATP Cup, Playoffs | 01/02 23:00 | 1 | [157] Darcis, Steve v Cozbinov, Alexander [388] | 6-4,6-7,7-5 | |
| ITF - M25 Naples | 11/17 14:00 | 44 | Cozbinov, Alexander v Fernandez Horta, Alvaro | 6-7,4-6 | |
| Orlando, Singles M-ITF-USA-38B | 11/13 15:00 | 25 | Cozbinov, Alexander v Andrea Bolla | 2-6,6-3,6-7 | |
| ITF M25 Malibu | 11/07 17:20 | 26 | Cozbinov, Alexander v Geller, Axel | 3-6,4-6 | |
| ITF M25 Malibu | 11/05 22:15 | 25 | [331] Descotte, Matias Franco v Cozbinov, Alexander [409] | 6-7,2-6 | |
| ITF - M25 Naples | 10/30 15:55 | 25 | [408] Cozbinov, Alexander v Mariano Kestelboim [404] | 6-4,2-6,4-6 | |
| Challenger Las Vegas | 10/14 20:40 | 24 | [403] Alexander Ritschard v Cozbinov, Alexander [415] | 7-5,6-4 | |
| Claremont, Singles Qualifying M-ITF-USA-06B | 10/10 20:45 | 26 | Sarmiento, Raymond v Cozbinov, Alexander | 6-2,6-3 | |
| Claremont, Singles Qualifying M-ITF-USA-06B | 10/09 17:00 | 25 | Goldberg, Ben v Cozbinov, Alexander | 3-6,4-6 | |
| ITF M25 Norman | 10/03 18:00 | 26 | [413] Cozbinov, Alexander v King, Kevin [399] | 1-6,0-6 | |
| ITF M25 Norman | 10/02 16:20 | 25 | [413] Cozbinov, Alexander v Erler, Alexander [487] | 7-6,3-6,6-4 | |
| ITF M25 Norman | 10/01 15:00 | 44 | Cozbinov, Alexander v Eero Vasa | 4-6,6-3,8-10 | |
| ITF M25 Norman | 09/30 15:00 | 44 | Cozbinov, Alexander v Colin Markes | 7-5,7-5 | |
| ITF M25 Norman | 09/29 15:00 | 44 | Cozbinov, Alexander v Kody Pearson | 6-3,7-5 | |
| ITF M15 Fayetteville | 09/18 14:00 | 25 | Cozbinov, Alexander v Bryde, Trent | 0-6,5-7 |