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

EGTB: win in 2 half-moves

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