UPDATE 2-ATP World Tour 250, Delray Beach Men's Singles Seeds Progress

Feb 21 (OPTA) - Seeds Progress from the ATP World Tour 250, Delray Beach Men's Singles matches on Tuesday .. Seeds .. Seed Round Rslt Opponent Score 1 Jack Sock (USA) 2nd to play Reilly Opelka (USA) (start 23:00) 1st won John-Patrick Smith (AUS) 6-4 6-4 2 Juan Martin del Potro (ARG) 1st to play Jeremy Chardy (FRA) (start 01:45) 4 Sam Querrey (USA) 1st lost Taylor Fritz (USA) 2-6 6-3 7-6(4) 6 John Isner (USA) 2nd to play Peter Gojowczyk (GER) (start 17:30) 1st won Radu Albot (MDA) 5-7 6-3 6-4 8 Hyeon Chung (KOR) 2nd to play Franko Skugor (CRO) (start 15:00) 1st won Cameron Norrie (GBR) 3-6 6-3 6-1 9 Milos Raonic (CAN) 2nd to play Steve Johnson (USA) (start 19:30) 1st won Taro Daniel (JPN) 6-1 7-5 (Note : all times are GMT)