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

EGTB: win in 4 half-moves

# move score
1 Kcc5 win in 3 half-moves
2 Kd5 win in 3 half-moves
3 Kc7 win in 5 half-moves
4 Kd6 win in 5 half-moves
5 Kd7 win in 5 half-moves
6 Rb8 win in 5 half-moves
7 Kb7 draw
8 Rb7 draw
9 Ka4 loss in 2 half-moves
10 Ka5 loss in 2 half-moves
11 Ka6 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kbc5 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Ra6 loss in 2 half-moves