Since pickleball’s sprout into sporting popularity, it’s frequently crossed over with its sister racquet sport, tennis.

Jack Sock, Genie Bouchard, Sam Querrey and Donald Young are former tennis standouts now competing on the professional pickleball tour. The latest to join the PPA is the biggest star yet, and his pickleball footprint has already been established.

Andre Agassi is set to team up with 18-year-old pro pickler Anna Leigh Waters, who’s highly regarded at being the greatest women’s player of all time with 173 PPA titles to her name across singles, doubles and mixed doubles—148 of them gold.

Read More: “Pickleball breaks down cultural barriers” believes Agassi