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 Kg6 draw
3 Kh5 draw
4 Kh6 draw
5 Rh7 draw
6 Kg4 loss in 10 half-moves
7 Kh4 loss in 6 half-moves
8 Rb7 loss in 4 half-moves
9 Kf4 loss in 2 half-moves
10 Kf5 loss in 2 half-moves
11 Kf6 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Ra7 loss in 1 half-moves