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 Kd5 draw
3 Kd6 draw
4 Ke5 draw
5 Kf5 draw
6 Kf6 draw
7 Ra1 draw
8 Ra5 draw
9 Ra6 draw
10 Ra2 loss in 2 half-moves
11 Ra3 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Kd7 loss in 1 half-moves
19 Ke7 loss in 1 half-moves
20 Kf7 loss in 1 half-moves
21 Rb4 loss in 1 half-moves
22 Rh4 loss in 1 half-moves