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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Ra6 win in 3 half-moves
4 Ra7 win in 3 half-moves
5 Kb6 win in 7 half-moves
6 Rb8 win in 7 half-moves
7 Kb8 win in 21 half-moves
8 Ka6 win in 27 half-moves
9 Kb4 win in 27 half-moves
10 Kd8 win in 27 half-moves
11 Ka4 draw
12 Kb5 draw
13 Kd7 draw