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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kf5 draw
3 Kg3 draw
4 Kh3 draw
5 Kh4 draw
6 Kh5 draw
7 Rf5 draw
8 Rg6 draw
9 Rh5 draw
10 Rb5 loss in 4 half-moves
11 Kf3 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Rg7 loss in 2 half-moves