Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Sibenik | 2021/05/21 10:45 | Tom Kocevar-Desman v Rimpei Kawakami | 4-6,1-6 |
| ITF M15 Sibenik | 2021/05/20 11:00 | Nikita Mashtakov v Tom Kocevar-Desman | 5-7,4-6 |
| ITF M15 Sibenik | 2021/05/19 14:25 | Tom Kocevar-Desman v Jaimee Floyd Angele | 6-3,7-6 |
| ITF M15 Troisdorf | 2021/05/14 12:35 | Tom Kocevar-Desman v Timo Stodder | 6-2,3-6,5-7 |
| ITF M15 Troisdorf | 2021/05/13 09:00 | Dan Added v Tom Kocevar-Desman | 6-7,6-7 |
| ITF M15 Troisdorf | 2021/05/12 09:00 | Constantin Schmitz v Tom Kocevar-Desman | 6-4,4-6,3-6 |
| ITF M15 Troisdorf | 2021/05/11 08:00 | Tom Kocevar-Desman v Yannik Steinegger | 6-3,6-1 |
| ITF M15 Troisdorf | 2021/05/10 09:30 | Tom Kocevar-Desman v Hazem Naw | 6-3,6-4 |
| ITF M15 Antalya | 2021/06/29 06:30 | Billy Harris v Matias Zukas | 3-6,6-3,6-4 |
| ITF M15 Antalya | 2021/06/24 07:00 | Francisco Comesana v Matias Zukas | 6-0,6-2 |
| ITF M15 Antalya | 2021/06/23 09:55 | Patrik Rikl v Matias Zukas | 6-0,4-6,1-6 |
| ITF M15 Antalya | 2021/06/18 07:20 | Matias Zukas v Pawel Juszczak | 7-6,3-6,5-7 |
| ITF M15 Antalya | 2021/06/17 08:50 | Matias Zukas v Pietro Marino | 6-3,6-0 |
| ITF M15 Antalya | 2021/06/16 13:15 | Zsombor Piros v Matias Zukas | 3-6,1-6 |
| ITF M15 Antalya | 2021/06/09 06:50 | Matias Zukas v Pawel Juszczak | 6-7,6-7 |
| ITF M15 Novomoskovsk | 2021/06/06 07:00 | Danylo Kalenichenko v Matias Zukas | 4-6,6-0,4-6 |