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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Kd7 win in 5 half-moves
3 Kd8 win in 5 half-moves
4 Ra7 win in 5 half-moves
5 Kf7 win in 7 half-moves
6 Kf8 win in 7 half-moves
7 Kb7 draw
8 Kb8 draw
9 Kc7 draw
10 Kg6 draw
11 Kg8 draw
12 Kh6 draw
13 Kh7 draw
14 Kh8 draw
15 Ra1 draw
16 Ra5 draw
17 Ra6 draw
18 Kf6 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves