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