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

EGTB: win in 2 half-moves

# move score
1 Rg7 win in 1 half-moves
2 K7d7 draw
3 K7d8 draw
4 K7f8 draw
5 K8d8 draw
6 K8f8 draw
7 Kd6 draw
8 Ke6 draw
9 Kf6 draw
10 Rf1 draw
11 Rf2 draw
12 Rh7 draw
13 K8d7 loss in 1 half-moves
14 Rf3 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 Rf8 loss in 1 half-moves