Estadio: Center Court Round: 25 Ground: Hardcourt outdoor
| Challenger de Pozoblanco | 2021/07/19 15:00 | Matteo Martineau v Federico Zeballos | 6-2,6-3 |
| Challenger de Pozoblanco | 2021/07/18 15:30 | Matteo Martineau v Antonio Prat | 6-0,6-7,6-2 |
| Challenger de Iasi | 2021/07/11 07:00 | Matteo Martineau v Vlad Andrei Dancu | 3-6,6-7 |
| ITF M25 Bourg-en-Bresse | 2021/07/03 15:30 | Franco Agamenone v Matteo Martineau | 6-4,2-6,6-4 |
| ITF M25 Bourg-en-Bresse | 2021/07/02 10:00 | Jakub Paul v Matteo Martineau | 4-6,6-7 |
| ITF M25 Bourg-en-Bresse | 2021/07/01 12:30 | Ugo Blanchet v Matteo Martineau | 6-7,3-6 |
| ITF M25 Bourg-en-Bresse | 2021/06/30 14:45 | Damien Salvestre v Matteo Martineau | 2-6,3-6 |
| Challenger de Aix-en-Provence | 2021/06/14 14:35 | Roberto Carballes Baena v Matteo Martineau | 6-3,6-1 |
| Challenger de Iasi | 2021/07/13 08:55 | Teymuraz Gabashvili v Lucas Miedler | 5-7,6-4,5-7 |
| Challenger de Braunschweig | 2021/07/06 10:30 | Marvin Moeller v Teymuraz Gabashvili | 7-5,6-3 |
| Challenger de Milán | 2021/06/22 10:55 | Giulio Zeppieri v Teymuraz Gabashvili | 6-1,7-6 |
| Challenger Almaty | 2021/06/16 06:35 | Teymuraz Gabashvili v Jesper De Jong | 3-6,2-6 |
| Challenger Almaty | 2021/06/08 10:20 | Teymuraz Gabashvili v Filip Cristian Jianu | 1-6,3-6 |
| ATP Parma | 2021/05/23 10:00 | Raul Brancaccio v Teymuraz Gabashvili | 6-3,6-3 |
| ATP Parma | 2021/05/22 13:25 | Teymuraz Gabashvili v Philipp Kohlschreiber | 1-6,7-5,6-2 |
| Challenger de Biella | 2021/05/16 12:10 | Teymuraz Gabashvili v Viktor Galovic | 1-6,4-6 |