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 Ra7 draw
3 Rb7 draw
4 Re7 draw
5 Kf3 loss in 2 half-moves
6 Kf4 loss in 2 half-moves
7 Kf5 loss in 2 half-moves
8 Kg2 loss in 2 half-moves
9 Kg5 loss in 2 half-moves
10 Kgg3 loss in 2 half-moves
11 Kgh4 loss in 2 half-moves
12 Kh2 loss in 2 half-moves
13 Kh5 loss in 2 half-moves
14 Khg3 loss in 2 half-moves
15 Khh4 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh7 loss in 2 half-moves