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 Kh4 draw
3 Rg4 draw
4 Kg2 loss in 8 half-moves
5 Kg4 loss in 8 half-moves
6 Rf6 loss in 8 half-moves
7 Rg5 loss in 8 half-moves
8 Rh6 loss in 8 half-moves
9 Kh2 loss in 6 half-moves
10 Kh3 loss in 6 half-moves
11 Rg7 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 Rb6 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Ra6 loss in 1 half-moves