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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Kc8 win in 3 half-moves
5 Kcd6 win in 3 half-moves
6 Kd8 win in 3 half-moves
7 Re8 win in 3 half-moves
8 Ke5 win in 7 half-moves
9 Kc6 draw
10 Kcd7 draw
11 Rh7 draw
12 Kd5 loss in 2 half-moves
13 Ked6 loss in 2 half-moves
14 Ked7 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves