Sebastian Bonmalais is one of several French players inside the top 50 of the World Rankings and currently making a name for themselves on the Tour.

He made his debut in 2016, and did not have to wait long until he got his first victory as a professional, with coming a year later. Following semi-final appearances at the Tarra Volkswagen Bega Open and the North Coast Open, Bonmalais won the Gibraltar Open in 2017, beating Nick Mulvey in the final.

Four months later, the Frenchman tasted victory once more, winning the Guatemala 5k Open. A string of quarter-final and semi-final results were recorded over the next 18 months, along with a runners-up finish at the Open International Niort Venise Verte, before Bonmalais took his third victory on Tour.

The Frenchman won the Greetings Squash Championship, thanks to a win over Omar Abdel Meguid in the final of the Challenger 10 level event in Japan. That was followed by semi-final results at the Northwestern Mutual Life Time Houston Open and the Open International Niort Venise Verte. His first appearance of 2021, saw Bonmalais reach the last eight at the PSA Challenger 10 Le Reve Nancy.

After making the semi-finals of the Cognac Open and the final of the Open de Mulhouse, both on home soil, Bonmalais had his first taste of Platinum level action, competing at the El Gouna International Squash Open. Later in the year, he went on to reach the third round of a major for the first time, doing so at the U.S. Open presented by Truist in Philadelphia.

That experienced helped, as he went on to record three victories on the Challenger Tour over the course of 2021, including the Springfield Scottish Squash Open crown. The Frenchman won the titles at the Anyos Park Open and the Elan Vital Open as well. Bonmalais finished 2021 with a semi-final finish at the Czech Open.

2022 was a consistent year for the Frenchman, who was able to keep making it into the last 16 of several tournaments. He did so at the Sturbridge Capital Motor City Open, Karachi Open Squash Championships, Necker Mauritius Open Presented by Beachcomber Hotels, Robertson Lodges New Zealand Open and the Everbright Securities International Hong Kong Squash Open. His best result of the year came at the Challenger 30 level Cleveland Skating Club Open, where he finished runner-up to Eain Yow Ng.

Bonmalais then started 2023 with another last 16 result, coming at the J.P. Morgan Tournament of Champions. The Frenchman made the same stage of both the Oxford Properties Canadian Men’s Open and the Black Ball Squash Open, as he broke the world’s top 25 for the first time in his career in March 2023.