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