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 Kg3 draw
3 Kg4 draw
4 Kg5 draw
5 Kh3 draw
6 Kh5 draw
7 Rc8 draw
8 Re8 draw
9 Rf8 draw
10 Rh8 draw
11 Ra8 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rg2 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rd8 loss in 1 half-moves