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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Kcb5 win in 3 half-moves
5 Ra7 win in 3 half-moves
6 Kc5 win in 5 half-moves
7 Ka4 win in 7 half-moves
8 Ra8 win in 15 half-moves
9 Kcb6 draw
10 Kd7 draw
11 Kab5 loss in 2 half-moves
12 Kab6 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Rb6 loss in 2 half-moves