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

EGTB: win in 2 half-moves

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