Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 K6a7 draw
2 K6b7 draw
3 K6c7 draw
4 K8a7 draw
5 K8b7 draw
6 K8c7 draw
7 Ka5 draw
8 Ka6 draw
9 Ka8 draw
10 Kb5 draw
11 Kc5 draw
12 Kc6 loss in 2 half-moves
13 Kc8 loss in 2 half-moves