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 Kb6 draw
7 Kb7 draw
8 Kc6 draw
9 Ked8 draw
10 Ra8 draw
11 Rd8 draw
12 Ke7 loss in 2 half-moves
13 Ked7 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Kf8 loss in 2 half-moves