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

EGTB: draw

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