2 Marin Čilić(Čilić has won 20 ATP Tour singles Titles)
3 Donna Vekic(Tennis player)
4 Ajla Tomljanovic(Tennis player)
Ajla Tomljanovic is a Croatian-Australian tennis player best known for her performance as a junior player. Tomljanović, who played for Croatia from 2009 to 2018, has been representing Australia at all events on the WTA Tour since 2018. Ajla Tomljanovic reached her first Grand Slam quarterfinal in 2021 when her fourth round opponent Emma Raducanu retired in the second set.