Roger Federer Novak Djokovic Rafael Nadal Nick Kyrgios Gael Montfils Dominic Thiem Stefanos Tsitsipas Stan Wawrinka Simona Halep Angelique Kerber Garbiñe Muguruza Naomi Osaka Karolína Plíšková Maria Sakkari Elina Svitolina Serena Williams