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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kc5 win in 1 half-moves
3 Ra6 win in 3 half-moves
4 Kb7 win in 5 half-moves
5 Ka3 draw
6 Ka5 draw
7 Ka6 draw
8 Ka8 draw
9 Kb3 draw
10 Kb6 draw
11 Kb8 draw
12 Ra5 draw
13 Kc3 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves