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

EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Kcd7 win in 3 half-moves
3 Kcd8 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Rb8 win in 3 half-moves
6 Ke7 win in 7 half-moves
7 Ked7 win in 7 half-moves
8 Kb6 draw
9 Kb7 draw
10 Kc6 draw
11 Ked8 draw
12 Ra8 draw
13 Rd8 draw
14 Kf7 loss in 2 half-moves
15 Kf8 loss in 2 half-moves