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