Cape Town - South Africa's No 1 tennis player, Kevin Anderson, has lost his second round match at the Miami Open on Friday.
Anderson, now ranked 74th in the world, was beaten in straight sets by Japanese second seed, Kei Nishikori, 6-4, 6-3.
Nishikori will play the winner of the Fernando Verdasco v Ernesto Escobedo clash in the third round.
Results from ATP and WTA Miami Open on Friday (x denotes seed):
Men
Second round
Rafael Nadal (ESP x5) bt Dudi Sela (ISR) 6-3, 6-4
Philipp Kohlschreiber (GER x26) bt Taylor Fritz (USA) 7-5, 3-6, 7-6 (7/4)
Nicolas Mahut (FRA) bt Steve Johnson (USA x23) 6-4, 5-7, 6-4
Guido Pella (ARG) bt Grigor Dimitrov (BUL x9) 6-3, 7-6 (7/4)
Jack Sock (USA x13) bt Yoshihito Nishioka (JPN) 2-4 retired
Jiri Vesely (CZE) bt Albert Ramos-Vinolas (ESP x19) 7-6 (7/5), 4-6, 6-3
Jared Donaldson (USA) bt Mischa Zverev (GER x28) 6-4, 6-4
Milos Raonic (CAN x3) bt Viktor Troicki (SRB) 6-3, 7-5
Jeremy Chardy (FRA) bt Marin Cilic (CRO x7) 6-4, 2-6, 6-3
Fabio Fognini (ITA) bt Joao Sousa (POR x30) 7-6 (10/8), 2-6, 6-3
Benot Paire (FRA) bt Pablo Cuevas (URU x21) 7-5, 6-0
Donald Young (USA) bt Lucas Pouille (FRA) 6-2, 6-4
Federico del Bonis (ARG) bt Pablo Carreno Busta (ESP) 1-6, 7-5, 6-2
Jan-Lennard Struff (GER) bt Gilles Simon (FRA) 6-1, 6-1
Fernando Verdasco (ESP x25) bt Ernesto Escobedo (USA) 7-6 (11/9), 7-5
Kei Nishikori (JPN x2) bt Kevin Anderson (RSA) 6-4, 6-3
First round
Malek Jaziri (TUN) bt Alexandr Dolgopolov (UKR) 7-6 (7/4), retired
Thomaz Bellucci (BRA) bt Stephane Robert (FRA) 7-6 (7/5), 6-2
Women
Second round
Angelique Kerber (GER x1) bt Duan Ying-Ying (CHN) 7-6 (7/3), 6-2
Shelby Rogers (USA) bt Darya Kasatkina (RUS x31) 6-4, 5-7, 6-0
Patricia Tig (ROM) bt Kristina Mladenovic (FRA x22) 7-6 (7/4), 6-2
Taylor Townsend (USA) bt Roberta Vinci (ITA x25) 6-3, 6-2
Svetlana Kuznetsova (RUS x7) bt Mandy Minella (LUX) 6-2, 6-2
Simona Halep (ROM x3) bt Naomi Osaka (JPN) 6-4, 2-6, 6-3
Anett Kontaveit (EST) bt Ekaterina Makarova (RUS x32) 6-7 (1/7), 6-2, 6-2
Peng Shuai (CHN) bt Caroline Garcia (FRA x21) 6-4, 6-0
Samantha Stosur (AUS x14) bt Ashleigh Barty (AUS) 6-4, 6-4
Johanna Konta (GBR x10) bt Aliaksandra Sasnovich (BLR) 6-2, 6-7 (5/7), 6-4
Pauline Parmentier (FRA) bt Timea Babos (HUN x24) 6-7 (1/7), 6-2, 6-0
Lara Arruabarrena (ESP) bt Irina Camelia Begu (ROM x28) 3-6, 6-4, 6-3
Madison Keys (USA x8) bt Viktorija Golubic (SUI) 6-1, 6-2
Garbine Muguruza (ESP x6) bt Christina McHale (USA) 0-6, 7-6 (8/6), 6-4
Sorana Cirstea (ROM) bt Anastasija Sevastova (LAT x19) 7-6 (7/4), 3-6, 6-3
Ajla Tomljanovic (CRO) bt Elena Vesnina (RUS x13) 3-6, 6-4, 7-5
Barbora Zahlavova Strycova (CZE x15) bt Johanna Larsson (SWE) 4-6, 6-3, 7-6 (7/3)