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

EGTB: win in 6 half-moves

# move score
1 Kb6 win in 5 half-moves
2 Kb7 win in 5 half-moves
3 Kc7 win in 5 half-moves
4 Ra6 win in 5 half-moves
5 Ra7 win in 5 half-moves
6 Ka6 win in 19 half-moves
7 Kb8 win in 19 half-moves
8 Kd8 win in 19 half-moves
9 Kd7 win in 27 half-moves
10 Ka4 draw
11 Kb4 draw
12 Kb5 draw
13 Rb8 draw