Stadium: Court 1 Round: 25 Ground: Clay
| Challenger Lisbon | 2021/09/28 11:15 | Robin Haase v Filippo Baldi | 6-4,4-6,6-4 |
| Challenger Braga | 2021/09/21 11:25 | Filippo Baldi v Taro Daniel | 2-6,6-4,0-6 |
| Challenger Seville | 2021/09/06 17:15 | Bernabe Zapata Miralles v Filippo Baldi | 6-3,6-2 |
| Challenger Como | 2021/08/30 09:00 | Filippo Baldi v Alexander Erler | 6-7,4-6 |
| Challenger Como | 2021/08/29 12:55 | Filippo Baldi v Filip Cristian Jianu | 6-4,6-4 |
| US Open | 2021/08/24 19:30 | Joao Menezes v Filippo Baldi | 6-4,7-6 |
| Challenger Verona | 2021/08/16 13:50 | Nino Serdarusic v Filippo Baldi | 6-3,6-2 |
| Challenger Prague | 2021/08/09 14:30 | Filippo Baldi v Adrian Menendez-Maceiras | 3-6,6-7 |
| Challenger Napoli | 2021/10/04 10:40 | Raul Brancaccio v Mircea-Alexandru Jecan | 6-2,6-2 |
| Challenger Sibiu | 2021/09/26 10:45 | Mircea-Alexandru Jecan v Nicholas David Ionel | 2-6,4-6 |
| Challenger Istanbul | 2021/09/12 09:55 | Geoffrey Blancaneaux v Mircea-Alexandru Jecan | 7-5,6-2 |
| Challenger Banja Luka | 2021/09/06 11:35 | David Poljak v Mircea-Alexandru Jecan | 6-3,6-4 |
| Challenger Banja Luka | 2021/09/05 10:50 | Vasil Kirkov v Mircea-Alexandru Jecan | 4-6,4-6 |
| ITF M25 Bacau | 2021/08/18 12:00 | Mircea-Alexandru Jecan v Dan Alexandru Tomescu | 6-7,1-6 |
| ITF M15 Curtea de Arges | 2021/08/10 12:20 | Boris Pokotilov v Mircea-Alexandru Jecan | 3-6,6-4,6-1 |
| ITF M25 Pitesti | 2021/08/05 11:25 | Marko Tepavac v Mircea-Alexandru Jecan | 6-3,7-6 |