Stadium: Center Court Round: 26 Ground: Clay
| Challenger Maia | 2021/12/14 11:00 | Sebastian Fanselow v Fabio Coelho | 6-3,3-6,6-3 |
| Challenger Bari | 2021/11/25 10:30 | Oscar Otte v Sebastian Fanselow | 6-3,6-7,7-5 |
| Challenger Bari | 2021/11/23 09:00 | Sebastian Fanselow v Dominic Stephan Stricker | 4-6,6-4,7-5 |
| Challenger Bari | 2021/11/22 10:10 | Sebastian Fanselow v Matteo Gigante | 2-6,7-5,6-2 |
| Challenger Pau | 2021/11/18 19:15 | Sebastian Fanselow v Holger Rune | 2-6,2-6 |
| Challenger Pau | 2021/11/17 12:40 | Hiroki Moriya v Sebastian Fanselow | 6-7,4-6 |
| Challenger Pau | 2021/11/15 11:30 | Benjamin Lock v Sebastian Fanselow | 4-6,2-6 |
| Challenger Pau | 2021/11/14 13:55 | Robin Bertrand v Sebastian Fanselow | 4-6,3-6 |
| Challenger Maia | 2021/12/14 11:00 | Gerald Melzer v Goncalo Oliveira | 6-4,4-6,6-7 |
| Challenger Maia | 2021/12/09 11:00 | Geoffrey Blancaneaux v Goncalo Oliveira | 2-6,6-3,6-4 |
| Challenger Maia | 2021/12/07 13:50 | Goncalo Oliveira v Maxime Hamou | 6-2,6-2 |
| Challenger Manama | 2021/11/26 12:00 | Goncalo Oliveira v Ramkumar Ramanathan | 3-6,6-4,5-7 |
| Challenger Manama | 2021/11/25 11:40 | Goncalo Oliveira v Antoine Escoffier | 7-6,3-6,6-4 |
| Challenger Manama | 2021/11/23 10:00 | Marek Gengel v Goncalo Oliveira | 4-6,4-6 |
| Challenger Guayaquil | 2021/11/05 22:00 | Alejandro Tabilo v Goncalo Oliveira | 6-4,6-3 |
| Challenger Guayaquil | 2021/11/03 16:00 | Goncalo Oliveira v Francisco Cerundolo | 6-4,6-3 |