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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Ka6 draw
3 Ka7 draw
4 Kb5 draw
5 Kb7 draw
6 Kc5 draw
7 Kc6 draw
8 Kc7 draw