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

EGTB: win in 2 half-moves

# move score
1 Kc4 win in 1 half-moves
2 Kc6 win in 1 half-moves
3 Ra8 win in 1 half-moves
4 Kc5 draw
5 Ra1 draw
6 Ra2 draw
7 Ra3 draw
8 Ra4 draw
9 Ka4 loss in 2 half-moves
10 Ka6 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Ra7 loss in 2 half-moves