Jun 29 (OPTA) - results from the Super League matches on Friday Hull Kingston Rovers (12) 37 Huddersfield (4) 10 St Helens (20) 34 Wakefield (6) 30 Warrington (14) 30 Salford (10) 14 Hull (16) 31 Widnes (12) 24 Saturday, June 30 fixtures (GMT) Catalans v Castleford (15:15)