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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Kc6 win in 1 half-moves
4 Kc5 win in 3 half-moves
5 Kb4 draw
6 Kc4 draw
7 Ka4 loss in 40 half-moves
8 Ka5 loss in 40 half-moves