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