Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg7 win in 1 half-moves
2 Kg5 draw
3 Ra8 draw
4 Rb8 draw
5 Rc8 draw
6 Re8 draw
7 Rf8 draw
8 Rg5 draw
9 Kf3 loss in 2 half-moves
10 Kf4 loss in 2 half-moves
11 Kf5 loss in 2 half-moves
12 Kg3 loss in 2 half-moves
13 Kh3 loss in 2 half-moves
14 Kh4 loss in 2 half-moves
15 Kh5 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rh8 loss in 2 half-moves