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

EGTB: win in 12 half-moves

# move score
1 Kb5 win in 11 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb4 draw
5 Kb6 draw
6 Ka7 loss in 2 half-moves
7 Kb7 loss in 2 half-moves
8 Kc7 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Ra7 loss in 2 half-moves