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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Kf7 draw
3 Kg7 draw
4 Rg2 draw
5 Rg3 draw
6 Rg4 draw
7 Rg5 draw
8 Rg6 draw
9 Rh8 loss in 12 half-moves
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Rg7 loss in 2 half-moves