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