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

EGTB: win in 20 half-moves

# move score
1 K7d7 win in 19 half-moves
2 K7d8 win in 19 half-moves
3 K8d7 win in 19 half-moves
4 K8d8 win in 19 half-moves
5 Kb6 win in 19 half-moves
6 Kc6 win in 19 half-moves
7 Kd6 win in 19 half-moves
8 K7b7 win in 21 half-moves
9 K8b7 win in 21 half-moves
10 K7b8 win in 23 half-moves
11 K8b8 win in 23 half-moves