2017 StarCraft II StarLeague Season 2: Challenge First Stage Two round-robin groups of five players each. All matches best-of-three. Top three players from each group advance to Challenge: Second Stage. Bottom two players are eliminated from SSL and must re-qualify. Prize money: Each series awards ₩300,000 (≈$265) ₩200,000 (≈$175) for the winner, ₩100,000 (≈$90) for the loser. Second Stage Single round-robin group of 6 players. All matches best-of-five. Fifth and sixth place are eliminated from SSL and must re-qualify. Prize money: Each series awards ₩500,000 (≈$440) ₩300,000 (≈$265) for the winner, ₩200,000 (≈$175) for the loser.