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

EGTB: win in 2 half-moves

# move score
1 Ka5 win in 1 half-moves
2 Kc6 draw
3 Kc7 draw
4 Ra3 draw
5 Ra4 draw
6 Ra5 draw
7 Ra7 draw
8 Ra8 draw
9 Ka7 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Ra1 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Kb5 loss in 1 half-moves
14 Kc5 loss in 1 half-moves