Stadium: Court 1 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Tbilisi | 2021/05/19 08:35 | Zane Khan v Alexander Cozbinov | 3-6,6-4,6-0 |
| ITF M25 Idanha-A-Nova | 2021/07/15 07:50 | Alexander Cozbinov v Francisco Cabral | 7-5,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/13 14:05 | Sho Shimabukuro v Alexander Cozbinov | 3-6,6-3,6-7 |
| ITF M25 Belgrade | 2021/07/01 07:00 | Edoardo Lavagno v Alexander Cozbinov | 6-4,6-3 |
| Davis Cup | 2021/06/25 09:30 | Marco De Rossi v Alexander Cozbinov | 3-6,6-3,3-6 |
| Davis Cup | 2021/06/24 09:30 | Fresk Sylhasi v Alexander Cozbinov | 0-6,1-6 |
| Davis Cup | 2021/06/22 09:25 | Eric Cervos Noguer v Alexander Cozbinov | 0-6,0-6 |
| ITF M15 Skopje | 2021/06/08 10:30 | Alexander Cozbinov v Alexander Weis | 5-7,4-6 |
| ITF M15 Kouvola | 2021/05/28 09:05 | Alessandro Bega v Alexander Cozbinov | 6-4,6-0 |
| ITF M25 Idanha-A-Nova | 2021/07/15 08:00 | Takuto Niki v Zane Khan | 2-6,3-6 |
| ITF M25 Idanha-A-Nova | 2021/07/14 09:50 | Pedro Araujo v Zane Khan | 0-6,2-6 |
| Challenger Little Rock | 2021/05/31 16:35 | Zane Khan v Mitchell Krueger | 2-6,4-6 |
| ITF M15 Tbilisi | 2021/05/21 06:00 | Zane Khan v Yanki Erel | 2-6,4-6 |
| ITF M15 Tbilisi | 2021/05/20 07:55 | Zane Khan v Julian Cash | 7-6,6-4 |
| ITF M15 Tbilisi | 2021/05/19 08:35 | Zane Khan v Alexander Cozbinov | 3-6,6-4,6-0 |
| ITF M15 Jerusalem | 2021/05/16 06:55 | Edan Leshem v Zane Khan | 3-6,4-6 |
| ITF M15 Jerusalem | 2021/05/14 07:30 | Zane Khan v Marek Gengel | 7-5,7-6 |