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