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

EGTB: win in 12 half-moves

# move score
1 Kb6 win in 11 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kab7 draw
5 Kb5 draw
6 Kb8 draw
7 Kd8 draw
8 Rb8 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