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 Rb8 win in 3 half-moves
4 Rc8 win in 3 half-moves
5 Ka6 win in 7 half-moves
6 Kb8 win in 7 half-moves
7 Kc7 draw
8 Kc8 draw
9 Kd7 draw
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves