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 Kg4 draw
3 Kg5 draw
4 Kg6 draw
5 Kh4 draw
6 Kh6 draw
7 Re8 draw
8 Rf8 draw
9 Rg3 draw
10 Rh8 draw
11 Ra8 loss in 4 half-moves
12 Rb8 loss in 4 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg6 loss in 2 half-moves