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 Ke4 draw
4 Kf3 draw
5 Kg3 draw
6 Kg4 draw
7 Ra3 draw
8 Ra5 draw
9 Rb4 draw
10 Ra2 loss in 4 half-moves
11 Ke5 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Ra1 loss in 1 half-moves