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

EGTB: win in 4 half-moves

# move score
1 Kab7 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Kb5 win in 9 half-moves
5 Kb8 win in 9 half-moves
6 Ka5 win in 11 half-moves
7 Ka7 win in 13 half-moves
8 Kd8 draw
9 Kc7 loss in 2 half-moves
10 Kcb7 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Ra7 loss in 2 half-moves