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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Kg6 draw
3 Kg7 draw
4 Kh6 draw
5 Kh8 draw
6 Rg2 draw
7 Rg5 draw
8 Rg6 draw
9 Rg7 draw
10 Rh8 draw
11 Rc8 loss in 10 half-moves
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg4 loss in 2 half-moves