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 Ka3 win in 5 half-moves
3 Ka5 win in 5 half-moves
4 Kb5 win in 5 half-moves
5 Kb8 win in 5 half-moves
6 Kb4 win in 7 half-moves
7 Kd8 win in 11 half-moves
8 Kb3 draw
9 Kb7 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Ra7 loss in 2 half-moves