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

EGTB: win in 2 half-moves

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