| VM i squash | 05/04 17:30 | 7 | Sebastien Bonmalais v Leonel Cardenas | 2-3 | |
| Lag - EM | 04/27 08:30 | - | Sebastien Bonmalais v Alasdair Prott | 3-0 | |
| Lag - EM | 04/26 14:00 | - | Sebastien Bonmalais v Cedric Kuchen | 3-0 | |
| Lag - EM | 04/26 08:30 | - | Sebastien Bonmalais v Pascal Gomez | 3-0 | |
| British Open | 04/09 11:45 | 7 | Timothy Brownell v Sebastien Bonmalais | 3-1 | |
| Optasia Championships | 03/21 16:00 | 7 | Sebastien Bonmalais v Youssef Ibrahim | 1-3 | |
| Canary Wharf Classics | 03/12 14:00 | 7 | Sebastien Bonmalais v Victor Crouin | 0-2 | |
| Black Ball Open | 03/03 12:30 | 8 | Marwan ElShorbagy v Sebastien Bonmalais | 3-0 | |
| Black Ball Open | 03/02 10:45 | 7 | Sebastien Bonmalais v Abdulla Mohd Al Tamimi | 3-1 | |
| Canadian Open | 02/15 00:15 | 8 | Sebastien Bonmalais v Miguel Rodriguez | 0-3 | |
| Canadian Open | 02/13 23:30 | 7 | Sebastien Bonmalais v Rui Soares | 3-1 | |
| Pittsburgh Open | 02/08 21:00 | 7 | Sebastien Bonmalais v Mohamed Abouelghar | 0-3 | |
| Tournament of Champions | 01/22 23:00 | 9 | Sebastien Bonmalais v Paul Coll | 0-3 | |
| Tournament of Champions | 01/20 23:30 | 8 | Greg Lobban v Sebastien Bonmalais | 1-3 | |
| Houston Open | 01/11 21:00 | 7 | Sebastien Bonmalais v Aly Abou Eleinen | 0-3 | |
| Hong Kong Open | 12/01 11:00 | 9 | Marwan ElShorbagy v Sebastien Bonmalais | 3-1 | |
| Hong Kong Open | 11/29 12:00 | 8 | Shahjahan Khan v Sebastien Bonmalais | 2-3 | |
| Hong Kong Open | 11/28 11:00 | 7 | Timothy Brownell v Sebastien Bonmalais | 1-3 | |
| Singapore Squash Open | 11/15 06:30 | 7 | Sebastien Bonmalais v Miguel Rodriguez | 0-3 | |
| New Zealand Open | 11/09 00:45 | 8 | Andrew Douglas v Sebastien Bonmalais | 3-0 | |
| Grasshopper Cup | 10/18 17:00 | 7 | Sebastien Bonmalais v Nicolas Mueller | 0-2 | |
| US Open | 10/09 22:45 | 8 | Sebastien Bonmalais v Paul Coll | 0-3 | |
| US Open | 10/08 22:30 | 7 | Sebastien Bonmalais v Bernat Jaume | 3-0 | |
| Egypt Open | 09/20 13:00 | 8 | Diego Elias v Sebastien Bonmalais | 3-1 | |
| Egypt Open | 09/19 13:50 | 7 | Muhammad Asim Khan v Sebastien Bonmalais | 0-3 | |
| Qatar Classic | 09/04 09:00 | 7 | Sebastien Bonmalais v Yahya Elnawasany | 2-3 | |
| Mauritius Open | 06/08 11:00 | 8 | Sebastien Bonmalais v Baptiste Masotti | 0-3 | |
| Mauritius Open | 06/07 10:00 | 7 | Sebastien Bonmalais v Mazen Gamal | 3-1 | |
| El Gouna International | 05/28 14:45 | 8 | Joel Makin v Sebastien Bonmalais | 3-0 | |
| El Gouna International | 05/27 14:45 | 7 | Sebastien Bonmalais v Zahed Salem | 3-1 |
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.