Cape Town - Kevin Anderson is through to the next round of the Miami Open after he defeated Jaume Munar of Spain in three sets.
Anderson, the number six seed at the tournament, won 6-4, 3-6, 6-3.
The big serving South African sent down 17 aces to the 5 of his opponent and didn't register a single double fault, succeeding with 72% of his serves.
He will play Joao Sousa of Portugal in the next round. Sousa defeater American Steve Johnson in straight sets, 7-6 (8/6), 6-4.
Anderson has missed his the few ATP tournaments due to an elbow injury.
Results on Saturday in the Miami Open WTA and ATP Masters hardcourt tournament (x-denotes seeded player):
Joao Sousa (POR) bt Steve Johnson (USA x31) 7-6 (8/6), 6-4
Jordan Thompson (AUS) bt Karen Khachanov (RUS x10) 6-2, 6-3
Daniil Medvedev (RUS x13) bt Adrian Mannarino (FRA) 6-2, 6-1
Filip Krajinovic (SRB) bt Stan Wawrinka (SUI x30) 5-7, 6-2, 7-6 (7/5)
Leonardo Mayer (ARG) bt Guido Pella (ARG x26) 6-2, 6-4
Denis Shapovalov (CAN x20) bt Daniel Evans (GBR) 4-6, 6-1, 6-3
Marco Cecchinato (ITA x14) bt Damir Dzumhur (BIH) walkover
David Goffin (BEL x18) bt Pablo Andujar (ESP) 6-4, 6-1
Petra Kvitova (CZE x3) bt Donna Vekic (CRO x26) 6-4, 3-6, 6-4
Caroline Garcia (FRA x19) bt Julia Grges (GER x15) 6-0, 7-5
Ashleigh Barty (AUS x12) bt Samantha Stosur (AUS) 6-0, 6-3