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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kb7 win in 1 half-moves
3 Kd6 win in 3 half-moves
4 Kc6 win in 5 half-moves
5 Ke8 win in 5 half-moves
6 Ra8 win in 5 half-moves
7 Kcd7 win in 9 half-moves
8 Kb8 draw
9 Rb8 draw
10 Kdd7 loss in 2 half-moves
11 Ke7 loss in 2 half-moves