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 Kf5 draw
4 Kf6 draw
5 Kg6 draw
6 Kh5 draw
7 Kh6 draw
8 Rb7 draw
9 Rf7 draw
10 Rh7 loss in 30 half-moves
11 Re7 loss in 16 half-moves
12 Kg4 loss in 12 half-moves
13 Kh4 loss in 12 half-moves
14 Rc7 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Ra7 loss in 1 half-moves