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

EGTB: win in 10 half-moves

# move score
1 Rg8 win in 9 half-moves
2 Kde8 draw
3 Kf6 draw
4 Kfe8 draw
5 Kg6 draw
6 Kg7 draw
7 Kg8 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 Ke6 loss in 2 half-moves
15 Kfe7 loss in 2 half-moves