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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 K7f7 draw
3 Rf1 draw
4 Rf2 draw
5 Rf3 draw
6 Rf7 draw
7 K7d8 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Ke6 loss in 2 half-moves
10 Kf6 loss in 2 half-moves
11 K7d7 loss in 1 half-moves
12 K8d7 loss in 1 half-moves
13 K8d8 loss in 1 half-moves
14 K8f7 loss in 1 half-moves
15 Rf4 loss in 1 half-moves
16 Rf5 loss in 1 half-moves
17 Rf6 loss in 1 half-moves
18 Rh8 loss in 1 half-moves