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

EGTB: win in 8 half-moves

# move score
1 Rg8 win in 7 half-moves
2 Ke8 draw
3 Kf5 draw
4 Kf7 draw
5 Kg5 draw
6 Kg6 draw
7 Kg7 draw
8 Re8 draw
9 Rh8 draw
10 Kc7 loss in 2 half-moves
11 Kc8 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kde7 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Kfe7 loss in 2 half-moves
17 Rf7 loss in 2 half-moves