Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| ITF M25 Idanha-A-Nova | 2021/07/22 11:55 | Anton Matusevich v Luis Faria | 6-3,2-6,7-6 |
| ITF M25 Idanha-A-Nova | 2021/07/20 10:45 | Anton Matusevich v Naoki Tajima | 6-3,7-5 |
| ITF M25 Idanha-A-Nova | 2021/07/17 08:30 | Nicolas Moreno De Alboran v Anton Matusevich | 7-6,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/16 10:00 | Simon Carr v Anton Matusevich | 4-6,6-4,4-6 |
| ITF M25 Idanha-A-Nova | 2021/07/15 11:30 | Garrett Johns v Anton Matusevich | 3-6,6-1,6-7 |
| ITF M25 Idanha-A-Nova | 2021/07/13 12:15 | Thomas Fancutt v Anton Matusevich | 4-6,6-7 |
| Wimbledon | 2021/06/24 12:05 | Bernabe Zapata Miralles v Anton Matusevich | 6-2,3-6,7-6,6-7,6-3 |
| Wimbledon | 2021/06/23 12:00 | Anton Matusevich v Carlos Taberner | 6-4,6-1 |
| ITF M25 Idanha-A-Nova | 2021/07/22 08:00 | Gilbert S K Junior v Roy Smith | 6-3,6-2 |
| ITF M25 Idanha-A-Nova | 2021/07/21 09:50 | Garrett Johns v Gilbert S K Junior | 5-7,1-6 |
| ITF M15 Sarajevo | 2021/06/03 09:00 | Gilbert S K Junior v Matheus P De Almeida | 6-4,3-6,3-6 |
| ITF M15 Sarajevo | 2021/06/02 09:00 | Gilbert S K Junior v Kristjan Tamm | 6-4,6-2 |
| ITF M25 Kiseljak | 2021/05/26 15:30 | Gilbert S K Junior v David Pichler | 4-6,3-6 |
| ITF M15 Brcko | 2021/05/21 09:00 | Gilbert S K Junior v Eric Vanshelboim | 6-2,4-6,0-6 |
| ITF M15 Prijedor | 2021/05/11 12:35 | Luca Giacomini v Gilbert S K Junior | 6-3,1-6,6-1 |
| ITF M15 Monastir | 2021/04/30 08:25 | Yunseong Chung v Gilbert S K Junior | 6-2,3-6,6-1 |