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 Ke3 draw
3 Kf3 draw
4 Kg3 draw
5 Kg4 draw
6 Ra3 draw
7 Ra5 draw
8 Rb4 draw
9 Rd4 draw
10 Ke4 loss in 8 half-moves
11 Ra1 loss in 8 half-moves
12 Ke5 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kg5 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 Re4 loss in 2 half-moves
19 Ra2 loss in 1 half-moves