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 Kf4 draw
3 Kf5 draw
4 Kg4 draw
5 Kh4 draw
6 Kh5 draw
7 Ra5 draw
8 Ra6 draw
9 Ra7 draw
10 Rb4 draw
11 Rd4 draw
12 Kf6 loss in 4 half-moves
13 Kg6 loss in 4 half-moves
14 Kh6 loss in 4 half-moves
15 Ra3 loss in 4 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Ra8 loss in 1 half-moves