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

EGTB: win in 2 half-moves

# move score
1 Rg6 win in 1 half-moves
2 Rb8 draw
3 Kf3 loss in 2 half-moves
4 Kf4 loss in 2 half-moves
5 Kf5 loss in 2 half-moves
6 Kg2 loss in 2 half-moves
7 Kg5 loss in 2 half-moves
8 Kgg3 loss in 2 half-moves
9 Kgh4 loss in 2 half-moves
10 Kh2 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Khg3 loss in 2 half-moves
13 Khh4 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh8 loss in 2 half-moves