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

EGTB: win in 10 half-moves

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