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