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 Kcd6 win in 3 half-moves
5 Kcd7 win in 3 half-moves
6 Kd8 win in 3 half-moves
7 Rb8 win in 3 half-moves
8 Rd8 win in 3 half-moves
9 Rf8 win in 3 half-moves
10 Kd5 win in 7 half-moves
11 Ke5 win in 7 half-moves
12 Ke7 win in 7 half-moves
13 Ked6 win in 7 half-moves
14 Ked7 win in 7 half-moves
15 Kf7 win in 7 half-moves
16 Ra8 win in 7 half-moves
17 Re8 win in 7 half-moves
18 Kc6 draw
19 Kf5 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves