"Globally, tennis is a Top 5 sport, there is lots of opportunity there," says Ahmad Nassar, executive director of the Professional Tennis Players Association.

Tune in all week for six famous Federer finals, from the 2005 US Open against Andre Agassi to 2009 Roland Garros versus Robin Soderling.

Our series continues with a question about a four-time Grand Slam champion.

Our conversation with executive director Ahmad Nassar takes us inside the PTPA, and in a variety of directions.

Our series begins with perhaps the toughest question of all.

The former doubles No. 1 and Olympic medalist treated TENNIS.com to one last barnburner chat after playing the final match of a two-decade career at the 2023 US Open.

The formidable ballstriker has been on the precipice of a breakout result for three years; after reaching two WTA 1000 finals in 2023, can the 25-year-old make a major push next season?

Sinner led Italy to its first Davis Cup championship since 1976, won his first Masters 1000 trophy and made it to the title match at the ATP Finals.

The two-time Grand Slam champion is no longer working with coach Mouratoglou’s academy while she awaits a ruling on her appeal of a four-year doping suspension.

Coco Gauff's US Open joy and Ons Jabeur's Wimbledon heartbreak also make the list.

This week we’ve been counting down our top five stats of the year, and today we’re at No. 1—and it’s a doozy.