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

EGTB: win in 2 half-moves

# move score
1 Kb2 win in 1 half-moves
2 Kc3 win in 1 half-moves
3 Ka2 win in 3 half-moves
4 Ka3 win in 3 half-moves
5 Kb4 win in 3 half-moves
6 Kc2 win in 3 half-moves
7 Kc4 win in 3 half-moves
8 Ka4 draw