Novak Djokovic has progressed to the Miami Open third round after defeating Australian Bernard Tomic in 7-6 (7/2), 6-2.
He will next play Federico Delbonis in Miami Gardens, Florida.
Indian Wells Masters winner Dominic Thiem, however, suffered a shock defeat under the hands of Polish 22-year-old Hubert Hurkacz.
Meanwhile, World No 1 Naomi Osaka beat the 141st-ranked Belgian qualifier Yanina Wickmayer 6-0 6-7 (3-7) 6-1.
This comes as Serena Williams crushed Sweden’s Rebecca Peterson 6-3, 1-6, 6-1, and Venus advanced with a 7-6 (7/4), 6-1 win over Spain’s Carla Suarez Navarro.
De Bruyne to leave Man City at the end of season
Dubai World Cup to kick off on Saturday
Chelsea climb back into top four with 1-0 win over Spurs
Navarro says players' demand for more prize money is about fair treatment
Arsenal lose injured defender Gabriel for rest of the season
