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