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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 K6f7 win in 5 half-moves
3 K8e7 win in 5 half-moves
4 K8f7 win in 5 half-moves
5 K8g7 win in 5 half-moves
6 Kb4 win in 5 half-moves
7 Kc6 win in 5 half-moves
8 Ke6 win in 5 half-moves
9 Ke8 win in 5 half-moves
10 Kg8 win in 5 half-moves
11 K6e7 win in 7 half-moves
12 K6g7 win in 7 half-moves
13 Kb6 win in 7 half-moves
14 Kd6 win in 7 half-moves
15 Kc4 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Kg5 loss in 2 half-moves
21 Kg6 loss in 2 half-moves