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

EGTB: win in 2 half-moves

# move score
1 Kd6 win in 1 half-moves
2 Ra7 win in 1 half-moves
3 Rb2 win in 1 half-moves
4 Rb3 win in 1 half-moves
5 Rb4 win in 1 half-moves
6 Rb5 win in 1 half-moves
7 Kb6 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Kd7 loss in 1 half-moves