Results from ATP/WTA Miami Open on Sunday (x denotes seed): Men 3rd rd Daniil Medvedev (RUS x1) bt Alexei Popyrin (AUS) 7-6 (7/3), 6-7 (7/9), 6-4 John Isner (USA x18) bt bt Félix Auger-Aliassime (CAN x11) 7-6 (7/5), 7-6 (7/5) Roberto Bautista (ESP x7) bt Jan-Lennard Struff (GER x31) 4-6, 6-3, 6-2 Jannik Sinner (ITA x21) bt Karen Khachanov (RUS x14) 4-6, 7-6 (7/2), 6-4 Women 3rd rd Garbiñe Muguruza (ESP x12) bt Anna Kalinskaya (RUS) 4-6, 6-3, 6-4 Sara Sorribes (ESP) bt Elena Rybakina (KAZ x21) 6-1, 3-6, 6-2 Jessica Pegula (USA x29) bt Karolína Plísková (CZE x6) 6-1, 4-6, 6-4 Maria Sakkari (GRE x23) bt Liudmila Samsonova (RUS) 6-0, 6-1 Elise Mertens (BEL x16) bt Anett Kontaveit (EST x22) 6-2, 0-6, 6-2 Naomi Osaka (JPN x2) bt Nina Stojanovic (SRB) walkover afp