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 Kf6 draw
3 Kh6 draw
4 Kh7 draw
5 Ra7 draw
6 Rb7 draw
7 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Rf7 draw
11 Kf5 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kh5 loss in 2 half-moves
15 Rh7 loss in 2 half-moves