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