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