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 Kg4 draw
3 Kh3 draw
4 Kh4 draw
5 Rf5 draw
6 Rg4 draw
7 Rg6 draw
8 Rg7 draw
9 Rh5 draw
10 Kg2 loss in 8 half-moves
11 Kh2 loss in 6 half-moves
12 Kf2 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Ra5 loss in 1 half-moves