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

EGTB: draw

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