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

EGTB: win in 4 half-moves

# move score
1 Kd5 win in 3 half-moves
2 K7b6 win in 5 half-moves
3 K7c6 win in 5 half-moves
4 K7d6 win in 5 half-moves
5 Kb5 win in 5 half-moves
6 Kb7 win in 5 half-moves
7 Kd7 win in 5 half-moves
8 K5b6 win in 13 half-moves
9 K5c6 win in 13 half-moves
10 K5d6 win in 13 half-moves
11 Kd8 win in 13 half-moves
12 Kb8 win in 17 half-moves
13 Kc8 win in 17 half-moves
14 Kb4 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kd4 loss in 2 half-moves