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

EGTB: win in 18 half-moves

# move score
1 Kb7 win in 17 half-moves
2 Kd7 win in 25 half-moves
3 Ke7 win in 27 half-moves
4 Kb8 win in 29 half-moves
5 Kf7 win in 29 half-moves
6 Ka7 draw
7 Kd8 draw
8 Kf8 draw