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

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Kd4 draw
3 Kd5 draw
4 Ke5 draw
5 Kf4 draw
6 Kf5 draw
7 Ra3 draw
8 Ra5 draw
9 Ra6 draw
10 Ra7 draw
11 Rb4 draw
12 Kd3 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Kf3 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rd4 loss in 2 half-moves