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 Kg5 draw
3 Kg6 draw
4 Kh6 draw
5 Ra5 draw
6 Ra6 draw
7 Ra7 draw
8 Ra8 draw
9 Rh4 draw
10 Kg4 loss in 2 half-moves
11 Kh4 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves