| Czech Open | 11/04 16:45 | 1 | Sebastien Bonmalais v Declan James | 3-1 | |
| Czech Open | 11/03 15:00 | 2 | Sebastien Bonmalais v George Parker | 3-2 | |
| Czech Open | 11/02 12:00 | 3 | Sebastien Bonmalais v Rui Soares | 3-1 | |
| Czech Open | 11/01 15:25 | 8 | Sebastien Bonmalais v Sanjay Jeeva | 3-1 | |
| US Open | 10/22 23:30 | 8 | Sebastien Bonmalais v Mohamed ElShorbagy | 1-3 | |
| US Open | 10/20 16:00 | 7 | Sebastien Bonmalais v Raphael Kandra | 3-0 | |
| Qatar Classic | 10/01 09:45 | 8 | Tarek Momen v Sebastien Bonmalais | 3-0 | |
| Qatar Classic | 09/30 09:45 | 7 | Salem Al Malki v Sebastien Bonmalais | 0-3 | |
| Paris Squash | 09/15 16:45 | 7 | Sebastien Bonmalais v Paul Coll | 0-3 | |
| Egypt Open | 08/31 11:15 | 8 | Sebastien Bonmalais v Gregoire Marche | away | |
| Egypt Open | 08/30 13:45 | 7 | Sebastien Bonmalais v Rory Stewart | 3-0 | |
| British Open | 06/02 18:45 | 7 | Tsz Kwan Lau v Sebastien Bonmalais | 3-2 | |
| PSA World Championships | 05/09 11:15 | 7 | Sebastien Bonmalais v Aly Abou Eleinen | 1-3 | |
| El Gouna International | 04/20 10:45 | 8 | Sebastien Bonmalais v Youssef Soliman | 1-3 | |
| El Gouna International | 04/19 10:45 | 7 | Sebastien Bonmalais v Tsz Kwan Lau | 3-0 | |
| Australian Open | 03/23 09:00 | 2 | Sebastien Bonmalais v Youssef Soliman | 0-3 | |
| Australian Open | 03/22 10:00 | 3 | Sebastien Bonmalais v Henry Leung | 3-0 | |
| Australian Open | 03/21 09:45 | 8 | Sebastien Bonmalais v Noor Zaman | 3-1 | |
| Windy City Open | 02/24 18:45 | 9 | Mostafa Asal v Sebastien Bonmalais | 3-1 | |
| Windy City Open | 02/22 23:45 | 8 | Sebastien Bonmalais v Curtis Malik | 3-0 | |
| Windy City Open | 02/21 20:45 | 7 | Sebastien Bonmalais v Lucas Serme | 3-0 | |
| Houston Open | 02/16 00:00 | 8 | Miguel Rodriguez v Sebastien Bonmalais | 3-1 | |
| Houston Open | 02/14 00:15 | 7 | Faraz Khan v Sebastien Bonmalais | 0-3 | |
| Pittsburgh Open | 02/09 23:30 | 3 | Sebastien Bonmalais v Marwan ElShorbagy | 2-3 | |
| Pittsburgh Open | 02/08 22:45 | 8 | Sebastien Bonmalais v Addeen Idrakie | 3-0 | |
| JP Morgan Tournament of Champions | 01/17 23:30 | 7 | Sebastien Bonmalais v Andrew Douglas | 0-3 | |
| Florida Open | 01/12 23:30 | 3 | Sebastien Bonmalais v Mostafa Asal | 0-3 | |
| Florida Open | 01/11 23:30 | 8 | Miguel Rodriguez v Sebastien Bonmalais | 0-3 | |
| Florida Open | 01/09 23:30 | 7 | Karim El Hammamy v Sebastien Bonmalais | 1-3 | |
| Singapore Squash Open | 11/15 04:45 | 8 | Marwan ElShorbagy v Sebastien Bonmalais | 2-1 |
Sébastien Bonmalais (born 6 February 1998 in Saint-Pierre, Reunion Island) is a French professional squash player. As of August 2018, he was ranked number 100 in the world. He won the 2017 Gibraltar Open and the 2017 Guatemala Open.