Stadium: Court 1 Round: 25 Ground: Clay
| ITF Italy F12 | 2015/06/05 14:30 | Johan Sebastien Tatlot v Alessandro Giannessi | 3-6,5-7 |
| French Open | 2019/05/20 08:00 | Alexandre Muller v Alessandro Giannessi | 5-7,7-6,6-1 |
| ATP Budapest | 2019/04/20 08:30 | Miomir Kecmanovic v Alessandro Giannessi | 6-3,6-4 |
| Challenger Sophia Antipolis | 2019/04/04 14:30 | Roberto Marcora v Alessandro Giannessi | 6-2,6-3 |
| Challenger Sophia Antipolis | 2019/04/03 14:15 | Oriol Roca Batalla v Alessandro Giannessi | 5-7,2-6 |
| Challenger Marbella | 2019/03/29 11:50 | Benoit Paire v Alessandro Giannessi | 5-7,6-4,7-6 |
| Challenger Marbella | 2019/03/28 10:00 | Alessandro Giannessi v Raul Brancaccio | 4-6,7-6,6-3 |
| Challenger Marbella | 2019/03/26 15:35 | Alessandro Giannessi v Enzo Couacaud | 6-2,5-7,7-6 |
| Challenger Santiago | 2019/03/08 19:35 | Alessandro Giannessi v Thomaz Bellucci | 6-3,4-6,4-6 |
| French Open | 2019/05/22 14:15 | Johan Sebastien Tatlot v Mikael Ymer | 6-3,6-7,1-6 |
| French Open | 2019/05/20 08:00 | Tatsuma Ito v Johan Sebastien Tatlot | 2-6,6-7 |
| Challenger Lisbon | 2019/05/13 13:50 | Roberto Marcora v Johan Sebastien Tatlot | 4-6,7-5,6-3 |
| Challenger Aix en Provence | 2019/05/07 09:00 | Marcelo Arevalo v Johan Sebastien Tatlot | 7-5,6-2 |
| Challenger Bordeaux | 2019/05/01 13:55 | Gregoire Barrere v Johan Sebastien Tatlot | 6-2,7-6 |
| Challenger Bordeaux | 2019/04/29 15:45 | Johan Sebastien Tatlot v Steve Darcis | 7-6,6-3 |
| Challenger Francavilla | 2019/04/22 09:00 | Julian Ocleppo v Johan Sebastien Tatlot | 6-3,3-6,6-2 |
| Challenger Tunis | 2019/04/18 13:25 | Lorenzo Giustino v Johan Sebastien Tatlot | 6-1,5-7,6-3 |