| ITF M15 La Nucia | 2021/03/11 12:50 | Tatlot, Johan Sebastien v Georgii Kravchenko | 2-6,4-6 |
| ITF M15 La Nucia | 2021/03/10 09:30 | Tatlot, Johan Sebastien v Benjamin Winter Lopez | 6-1,4-6,6-4 |
| ITF - M15 Grenoble | 2021/02/11 09:00 | Stouff, Vincent v Tatlot, Johan Sebastien | 4-6,3-6 |
| ITF - M15 Grenoble | 2021/02/10 12:55 | Antoine Berger v Tatlot, Johan Sebastien | 2-6,3-6 |
| UTR Pro Tennis Series Barcelona | 2021/02/04 12:00 | Canas Garcia, Juan Pablo v Tatlot, Johan Sebastien | 2-6,6-2,0-0 |
| UTR Pro Tennis Series Barcelona | 2021/02/01 10:30 | Tatlot, Johan Sebastien v Perez Sanz, David | 3-6,6-4,5-4 |
| ITF - M15 Bressuire | 2021/01/18 10:00 | Tatlot, Johan Sebastien v Pontico, Hugo | 6-2,6-1 |
| ITF - M15 Bressuire | 2021/01/17 14:00 | Tatlot, Johan Sebastien v Cayre, Paul | 6-4,6-0 |
| ITF - M25 Vale Do Lobo | 2021/03/08 10:00 | Joncour, Ronan v Fernandes, Tiago Rodrigo | 6-1,6-1 |
| ITF - M25 Vale Do Lobo | 2021/03/07 11:00 | Joncour, Ronan v Marujo, Martim | 6-2,6-2 |
| ITF - M25 Faro | 2021/03/03 11:00 | Graziani, Edoardo v Joncour, Ronan | 6-4,3-6,6-3 |
| ITF - M25 Faro | 2021/03/02 10:00 | Joncour, Ronan v Illia Stoliar | 6-1,6-4 |
| ITF - M25 Faro | 2021/03/01 11:00 | Joncour, Ronan v Stepanian, Areg | 6-1,6-1 |
| ITF - M25 Faro | 2021/02/28 11:00 | Joncour, Ronan v Guerrero Melgar, Angel | 6-1,6-3 |
| ITF - M25 Vale Do Lobo | 2021/02/25 10:30 | Patino, Luis v Joncour, Ronan | 7-5,6-4 |
| ITF - M25 Vale Do Lobo | 2021/02/24 16:55 | Joncour, Ronan v Alejandro Moro Canas | 6-2,0-6,6-3 |