Jakarta Squash League - The Jakarta Squash League (JSL) has been in existence for well over 2 decades now. It was started by a group of enthusiast expatriate squashers. The JSL has evolved over the years but the objective has been the same.... to offer a good healthy competitive squash for all! It is open to all clubs of all nationalities. SODS generally enters 2 teams (B and C) in the Interleague competition