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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kc6 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Kab5 win in 7 half-moves
5 Kb4 win in 7 half-moves
6 Kaa6 win in 11 half-moves
7 Kc5 win in 11 half-moves
8 Ka4 win in 13 half-moves
9 Kbb5 win in 13 half-moves
10 Ka7 win in 37 half-moves
11 Kba6 win in 37 half-moves