Roger Federer has officially joined the billionaire athletes' club, per Forbes, becoming only the seventh sports figure to reach the milestone. The 20-time Grand Slam winner, who hung up his racquet in 2022,

In fact, Federer became the second tennis player after Tiriac to join the club. Despite bidding adieu to the game three years before, Federer's net worth was boosted by his minority stake in Swiss shoe and apparel brand On.

The tennis champion grew his wealth thanks to a slew of lucrative sponsorships, brand deals and business ventures.