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

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rd8 draw
5 Rf8 draw
6 Rg1 draw
7 Rg2 draw
8 Rh8 draw
9 Kg7 loss in 10 half-moves
10 Kg5 loss in 4 half-moves
11 Kg6 loss in 4 half-moves
12 Ke5 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rg7 loss in 2 half-moves