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 Ke2 draw
3 Kf2 draw
4 Kg2 draw
5 Rg2 draw
6 Rg7 draw
7 Ke1 loss in 4 half-moves
8 Rh1 loss in 4 half-moves
9 Rg3 loss in 2 half-moves
10 Rg4 loss in 2 half-moves
11 Rg5 loss in 2 half-moves
12 Rg6 loss in 2 half-moves