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 Rb8 win in 3 half-moves
4 Kd7 win in 7 half-moves
5 Ke7 win in 7 half-moves
6 Ke8 win in 7 half-moves
7 Kc8 win in 9 half-moves
8 Ka6 draw
9 Kc7 draw
10 Kb6 loss in 2 half-moves
11 Rc8 loss in 2 half-moves