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

EGTB: win in 4 half-moves

# move score
1 K7b7 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 K6b7 win in 5 half-moves
4 K7b6 win in 17 half-moves
5 Kb5 win in 17 half-moves
6 K6b6 win in 21 half-moves
7 Ka5 win in 35 half-moves
8 Ka8 win in 35 half-moves