Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kg3 draw
3 Kg4 draw
4 Kh3 draw
5 Ra3 draw
6 Ra5 draw
7 Rc4 draw
8 Rf4 draw
9 Ra2 loss in 4 half-moves
10 Kg5 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Ra1 loss in 1 half-moves