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

EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Rg6 draw
3 Kf3 loss in 2 half-moves
4 Kf4 loss in 2 half-moves
5 Kf5 loss in 2 half-moves
6 Kf7 loss in 2 half-moves
7 Kg3 loss in 2 half-moves
8 Kg5 loss in 2 half-moves
9 Kg7 loss in 2 half-moves
10 Kh3 loss in 2 half-moves
11 Kh4 loss in 2 half-moves
12 Kh5 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rh8 loss in 2 half-moves
15 Ke7 loss in 1 half-moves
16 Ke8 loss in 1 half-moves