| WTT Singapore Smash MD | 03/13 06:10 | 5 | Lebesson/Cassin v Monteiro/Apolonia | L | 2-3 | |
| World Championship MD | 11/26 17:00 | - | Lin/Liang v Lebesson/Cassin | L | 3-0 | |
| World Championship MD | 11/25 17:10 | - | Cassin/Lebesson v Alamiyan/Alamian | W | 3-0 | |
| World Championship MD | 11/24 17:00 | 57 | Lebesson/Cassin v Chen/Serdaroglu | W | 3-0 | |
| WTT Contender Tunis MD | 10/30 10:30 | - | Desai/Gnanasekaran v Lebesson/Cassin | L | 3-1 | |
| WTT Contender Tunis MD | 10/29 11:00 | - | Lebesson/Cassin v Polansky/Martinko | W | 3-1 | |
| WTT Contender Tunis MD | 10/28 14:30 | - | Lebesson/Cassin v Allegro/Lambiet | W | 3-2 | |
| WTT Contender Tunis MD | 10/27 09:30 | - | Piccolin/Pinto v Lebesson/Cassin | W | 0-3 | |
| Olympics 2020 - Team Men | 08/02 10:30 | 3 | Ma/Xu v Cassin/Lebesson | L | 3-0 | |
| Olympics 2020 - Team Men | 08/01 05:30 | - | Hang Lam/Ho v Cassin/Lebesson | W | 0-3 | |
| European Championships MD | 06/24 09:40 | 5 | Cassin/Lebesson v Bobocica/Stoyanov | L | 2-3 | |
| European Championship MD | 06/23 07:35 | - | Lebesson/Cassin v Andersen/Christensen | W | 3-0 |