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

EGTB: win in 4 half-moves

# move score
1 Kh7 win in 3 half-moves
2 Khg7 draw
3 Rg1 draw
4 Rg2 draw
5 Rg3 draw
6 Rg4 draw
7 Rg5 draw
8 Ke7 loss in 2 half-moves
9 Ke8 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Kfg7 loss in 2 half-moves
12 Rg6 loss in 2 half-moves
13 Rg7 loss in 2 half-moves