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