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 Kb8 win in 5 half-moves
4 Kcd8 win in 5 half-moves
5 Kd6 win in 5 half-moves
6 Rb8 win in 5 half-moves
7 Rd8 win in 5 half-moves
8 Kf7 win in 7 half-moves
9 Kf8 win in 7 half-moves
10 Kc6 draw
11 Kcd7 draw
12 Ked8 draw
13 Ra8 draw
14 Ke7 loss in 2 half-moves
15 Ked7 loss in 2 half-moves