stadio: Citta Di Forlì Round: 14 Ground: Hardcourt indoor
| Challenger Maia | 2021/12/17 15:00 | Andrej Martin v Sebastian Fanselow | 6-2,6-2 |
| Challenger Maia | 2021/12/16 10:00 | Sebastian Fanselow v Goncalo Oliveira | 7-6,6-4 |
| 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 Ismaning | 2021/10/24 12:35 | Johannes Haerteis v Tristan Lamasine | 6-4,6-4 |
| Challenger Barcellona | 2021/10/05 08:00 | Dmitry Popko v Tristan Lamasine | 6-3,6-2 |
| Challenger Lisbona | 2021/09/28 10:55 | Frederico Ferreira Silva v Tristan Lamasine | 6-3,6-4 |
| Challenger Rennes | 2021/09/16 14:20 | Tristan Lamasine v Arthur Rinderknech | 6-7,2-6 |
| Challenger Rennes | 2021/09/13 12:50 | Go Soeda v Tristan Lamasine | 6-7,4-6 |
| Challenger Kiev | 2021/09/08 10:35 | Tristan Lamasine v Franco Agamenone | 6-3,2-6,4-6 |
| Challenger Kiev | 2021/09/06 09:35 | Tristan Lamasine v Kaichi Uchida | 7-6,6-2 |
| Challenger Como | 2021/08/31 08:00 | Juan Manuel Cerundolo v Tristan Lamasine | 6-4,7-6 |