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 Kb6 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Kc5 win in 3 half-moves
5 Kcc7 win in 3 half-moves
6 Ra5 win in 3 half-moves
7 Rb6 win in 3 half-moves
8 Kc8 win in 5 half-moves
9 Kcd6 win in 5 half-moves
10 Kd8 win in 5 half-moves
11 Kdc7 win in 5 half-moves
12 Kdd6 win in 5 half-moves
13 Ra7 win in 5 half-moves
14 Kd5 win in 9 half-moves
15 Ra1 win in 9 half-moves
16 Ra3 win in 9 half-moves
17 Ra4 win in 9 half-moves
18 Ra2 draw
19 Ke6 loss in 2 half-moves
20 Ke7 loss in 2 half-moves
21 Ke8 loss in 2 half-moves
22 Ra8 loss in 2 half-moves