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

EGTB: win in 6 half-moves

# move score
1 Kb7 win in 5 half-moves
2 Kb8 win in 5 half-moves
3 K5b6 win in 11 half-moves
4 Kb4 win in 11 half-moves
5 Kb5 win in 11 half-moves
6 K7b6 win in 13 half-moves
7 K7a6 win in 15 half-moves
8 Ka8 win in 15 half-moves
9 K5a6 win in 21 half-moves
10 Ka4 draw