Stadion: Court 3 Round: 25 Ground: Clay
| ITF - M15 - Novomoskovsk | 2021/06/03 10:00 | Viacheslav Bielinskyi v Daniel Dutra Da Silva | 6-4,1-6,14-12 |
| ITF - M15 - Novomoskovsk | 2021/05/26 06:15 | Daniel Dutra Da Silva v Alex M Pujolras | 7-6,6-1 |
| ITF - M25 - Pensacola | 2021/05/19 20:15 | Patrick Kypson v Daniel Dutra Da Silva | 5-7,7-5,6-3 |
| ITF - M25 - Naples | 2021/02/24 14:55 | Alexander Ritschard v Daniel Dutra Da Silva | 6-3,6-3 |
| ITF - M25 - Naples | 2021/02/23 16:50 | Daniel Dutra Da Silva v Dragos Constantin Ignat | 6-3,6-4 |
| ITF - M25 - Naples | 2021/02/22 16:00 | Daniel Dutra Da Silva v Lucas Renard | 6-1,6-1 |
| ITF - M25 - Naples | 2021/02/18 14:50 | Corentin Denolly v Daniel Dutra Da Silva | 6-4,6-4 |
| ITF - M25 - Naples | 2021/02/17 15:00 | Daniel Dutra Da Silva v Christian Langmo | 6-0,6-4 |
| ITF - M15 - Antalya | 2021/04/30 09:30 | Christopher Heyman v Francesco Forti | 7-5,4-6,6-2 |
| ITF - M15 - Antalya | 2021/04/29 11:45 | Christopher Heyman v Mats Rosenkranz | 4-6,6-4,7-5 |
| ITF - M15 - Antalya | 2021/04/28 11:00 | Christopher Heyman v Nicholas David Ionel | 6-4,6-4 |
| ITF - M15 - Antalya | 2021/04/25 09:25 | Fabian Marozsan v Christopher Heyman | 2-6,6-4,2-6 |
| ITF - M15 - Antalya | 2021/04/24 07:30 | Nicolae Frunza v Christopher Heyman | 3-6,3-6 |
| ITF - M15 - Antalya | 2021/04/23 07:00 | Oleksandr Ovcharenko v Christopher Heyman | 6-3,0-6,6-7 |
| ITF - M15 - Antalya | 2021/04/22 08:20 | Emiliano Maggioli v Christopher Heyman | 5-7,4-6 |
| ITF - M15 - Antalya | 2021/04/20 08:30 | Koray Kirci v Christopher Heyman | 1-6,1-6 |