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 Kd7 win in 3 half-moves
6 Kd8 win in 3 half-moves
7 Rb8 win in 3 half-moves
8 Re8 win in 3 half-moves
9 Kc4 win in 5 half-moves
10 Kc5 win in 5 half-moves
11 Kd4 win in 5 half-moves
12 Ke4 win in 5 half-moves
13 Ke5 win in 5 half-moves
14 Ra8 win in 5 half-moves
15 Rd8 win in 5 half-moves
16 Rf8 win in 5 half-moves
17 Kdc6 win in 7 half-moves
18 Kdd6 win in 7 half-moves
19 Ke6 win in 7 half-moves
20 Kcc6 draw
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves