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

EGTB: win in 6 half-moves

# move score
1 Kf8 win in 5 half-moves
2 Rg6 draw
3 Ke7 loss in 2 half-moves
4 Kf7 loss in 2 half-moves
5 Kg3 loss in 2 half-moves
6 Kg4 loss in 2 half-moves
7 Kg5 loss in 2 half-moves
8 Kh3 loss in 2 half-moves
9 Kh5 loss in 2 half-moves
10 Rf8 loss in 2 half-moves
11 Rg1 loss in 2 half-moves
12 Rg2 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 Kd7 loss in 1 half-moves
19 Kd8 loss in 1 half-moves