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

EGTB: win in 2 half-moves

# move score
1 Kg4 win in 1 half-moves
2 Rg8 win in 1 half-moves
3 Kg3 draw
4 Ke5 loss in 2 half-moves
5 Ke6 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Kf5 loss in 2 half-moves
8 Kf7 loss in 2 half-moves
9 Kh3 loss in 2 half-moves
10 Kh5 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 Kfg5 loss in 1 half-moves
19 Kg6 loss in 1 half-moves
20 Kg7 loss in 1 half-moves
21 Khg5 loss in 1 half-moves