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

EGTB: win in 6 half-moves

# move score
1 Kb5 win in 5 half-moves
2 Kb7 win in 5 half-moves
3 Ka7 win in 7 half-moves
4 Ka3 draw
5 Ka5 draw
6 Kb3 draw
7 Kb4 draw
8 Kc8 draw
9 Ra7 draw
10 Kc7 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves