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.
Dalic named UAE coach after leaving Croatia
Messi doubts playing 'for much longer' after father's death
Italy's Curtis takes 50m backstroke world record
Rybakina fights back to beat Osaka at Canadian Open
Egypt's Trezeguet joins Saudi side Al-Riyadh on free transfer
