Stadium: Court 3 Round: 25 Ground: Clay
| Challenger Tenerife | 2021/10/31 11:55 | Filip Cristian Jianu v Lucas Gerch | 6-3,6-1 |
| Challenger Antalya | 2021/11/29 08:55 | Tiago Cacao v Lucas Gerch | 6-1,3-6,6-2 |
| ITF M15 Antalya | 2021/11/28 10:50 | Lucas Gerch v Daniel Michalski | 5-7,0-6 |
| ITF M15 Antalya | 2021/11/26 07:30 | Luis Faria v Lucas Gerch | 0-6,3-6 |
| ITF M15 Antalya | 2021/11/25 07:50 | Hamad Medjedovic v Lucas Gerch | 1-6,1-6 |
| ITF M15 Antalya | 2021/11/24 09:20 | Oleg Prihodko v Lucas Gerch | 1-6,6-4,2-6 |
| Challenger Tenerife | 2021/10/31 11:55 | Filip Cristian Jianu v Lucas Gerch | 6-3,6-1 |
| ITF M25 Portimao | 2021/10/27 14:00 | Matteo Arnaldi v Lucas Gerch | 7-6,6-3 |
| ITF M25 Quinta Do Lago | 2021/10/20 11:10 | Stuart Parker v Lucas Gerch | 7-6,6-1 |
| Challenger Antalya | 2021/12/03 07:00 | Javier Barranco Cosano v Filip Cristian Jianu | 6-1,4-6,6-4 |
| Challenger Antalya | 2021/12/01 07:00 | Filip Cristian Jianu v Geoffrey Blancaneaux | 6-7,6-4,6-0 |
| Challenger Antalya | 2021/11/30 10:45 | Mick Veldheer v Filip Cristian Jianu | 1-6,4-6 |
| Challenger Manama | 2021/11/23 09:25 | Nuno Borges v Filip Cristian Jianu | 6-3,7-6 |
| ITF M15 Heraklion | 2021/11/21 07:30 | Filip Cristian Jianu v Filip Bergevi | 6-2,6-4 |
| ITF M15 Heraklion | 2021/11/20 11:15 | Filip Cristian Jianu v Michael Zhu | 6-4,6-3 |
| ITF M15 Heraklion | 2021/11/19 09:35 | Filip Cristian Jianu v Lukas Krainer | 6-2,5-7,6-2 |
| ITF M15 Heraklion | 2021/11/18 06:55 | Filip Cristian Jianu v Kyle Seelig | 6-2,6-4 |