Apr 30 (OPTA) – Rankings from the ATP Tour singles Rank Points 1 Rafael Nadal (ESP) 8,770 2 Roger Federer (SUI) 8,670 3 Alexander Zverev (GER) 5,195 4 Marin Cilic (CRO) 4,985 5 Grigor Dimitrov (BUL) 4,950 6 Juan Martin del Potro (ARG) 4,470 7 Dominic Thiem (AUT) 3,545 8 Kevin Anderson (RSA) 3,390 9 John