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 Ra1 win in 1 half-moves
3 Ka2 draw
4 Ka4 draw
5 Kb2 draw
6 Ra2 draw
7 Ra6 draw
8 Ra7 draw
9 Ra8 draw
10 Kb4 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra5 loss in 2 half-moves