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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Kf7 win in 3 half-moves
5 Rb8 win in 3 half-moves
6 Rd8 win in 3 half-moves
7 Kf8 win in 5 half-moves
8 Ka6 win in 21 half-moves
9 Kd8 win in 35 half-moves
10 Rc8 win in 39 half-moves
11 Kd7 loss in 2 half-moves
12 Ke7 loss in 2 half-moves