Stadium: Loule 4 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Loulé | 2021/10/11 13:30 | Tim Heger v Lennart Melzer | 6-1,6-2 |
| ITF M25 Loulé | 2021/10/10 12:00 | Rodrigo Beires v Lennart Melzer | 4-6,0-6 |
| ITF M25 Setubal | 2021/10/03 11:30 | Martim Simoes v Lennart Melzer | 6-0,6-2 |
| ITF M15 Forbach | 2021/09/26 11:20 | Hugo Pierre v Lennart Melzer | 6-0,6-1 |
| ITF M25 Eupen | 2021/09/06 15:05 | Lennart Melzer v Marcel Hornung | 1-6,1-6 |
| ITF M25 Eupen | 2021/09/05 13:30 | Marc Schmidt v Lennart Melzer | 0-6,0-6 |
| ITF M25 Sierre | 2021/08/29 08:30 | Bastien Rieme v Lennart Melzer | 3-6,6-1,10-4 |
| ITF M25 Trier | 2021/08/23 10:30 | Leopold Zima v Lennart Melzer | 6-1,6-1 |
| ITF M25 Loulé | 2021/10/13 11:10 | Raphael Calzi v Francisco Cabral | 5-7,4-6 |
| ITF M25 Loulé | 2021/10/12 11:10 | Goncalo Falcao v Raphael Calzi | 6-4,6-2 |
| ITF M25 Loulé | 2021/10/11 13:25 | Keanu Elias Immler v Raphael Calzi | 5-7,2-6 |
| ITF M25 Setubal | 2021/10/05 11:20 | Raphael Calzi v Gian Luca Tanner | 6-3,1-6,6-10 |
| ITF M25 Setubal | 2021/10/04 15:10 | Raphael Calzi v Sergio Davila Godoy | 6-3,6-0 |
| ITF M15 Forbach | 2021/09/27 11:15 | Yann Marti v Raphael Calzi | 6-4,6-4 |
| ITF M15 Forbach | 2021/09/26 13:20 | Paul Barbier Gazeu v Raphael Calzi | 3-6,3-6 |
| ITF M15 Monastir | 2021/09/12 12:00 | Shinnosuke Hiramatsu v Raphael Calzi | 6-2,3-6,10-5 |