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

EGTB: win in 2 half-moves

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