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

EGTB: win in 6 half-moves

# move score
1 K8b7 win in 5 half-moves
2 K8c7 win in 5 half-moves
3 K8d7 win in 5 half-moves
4 Kb6 win in 11 half-moves
5 Kb8 win in 11 half-moves
6 Kd6 win in 11 half-moves
7 Kd8 win in 11 half-moves
8 Kd5 win in 13 half-moves
9 K6d7 win in 17 half-moves
10 K6b7 win in 21 half-moves
11 K6c7 win in 21 half-moves
12 Kb5 loss in 2 half-moves
13 Kc5 loss in 2 half-moves