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

EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Kcd8 win in 5 half-moves
4 Ra7 win in 5 half-moves
5 Kd6 win in 7 half-moves
6 Ked7 win in 7 half-moves
7 Ked8 win in 7 half-moves
8 Ke6 draw
9 Ke8 draw
10 Ra3 draw
11 Kb7 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kcd7 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kf8 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves