KT need 1 win out of 5 remaining games to clinch a playoff spot. STX are in the same position but with 4 games left.
SKT need to win 2 games to clinch a playoff spot. They have 4 games remaining.
Khan have 3 games remaining. If SKT win 1/4, Khan need to win all their games. If SKT win 0/4, Khan need to win 2 of 3.
CJ can only make the playoffs if SKT lose all their remaining games 0-4 and CJ win all their remaining 4 games 4-1 4-1 4-2 4-2, and Khan also fail to overtake SKT.