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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kc5 win in 3 half-moves
3 Kab7 win in 5 half-moves
4 Kb8 win in 41 half-moves
5 Kc6 win in 41 half-moves
6 Kbb7 win in 45 half-moves
7 Kc7 win in 45 half-moves
8 Ka5 draw
9 Ka8 draw
10 Kaa6 draw
11 Kba6 draw