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

EGTB: win in 2 half-moves

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