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

EGTB: win in 2 half-moves

# move score
1 Kc7 win in 1 half-moves
2 Kd5 win in 1 half-moves
3 Kd7 win in 1 half-moves
4 Rb1 win in 1 half-moves
5 Rb2 win in 1 half-moves
6 Rb3 win in 1 half-moves
7 Kb7 draw
8 Rb7 draw
9 Kb5 loss in 2 half-moves
10 Kc5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Kd6 loss in 1 half-moves