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 Kg3 draw
3 Kg5 draw
4 Kh3 draw
5 Kh4 draw
6 Kh5 draw
7 Ra7 draw
8 Rb7 draw
9 Rc7 draw
10 Rh7 draw
11 Kf3 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rg6 loss in 2 half-moves