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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Ka3 draw
3 Ka5 draw
4 Kb3 draw
5 Kb5 draw
6 Kc3 draw
7 Kc5 draw
8 Ra2 draw
9 Ra3 draw
10 Ra5 draw
11 Kc4 loss in 8 half-moves
12 Ra6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves