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

EGTB: win in 4 half-moves

# move score
1 Kg7 win in 3 half-moves
2 Rg7 win in 3 half-moves
3 Ke7 draw
4 Rh2 draw
5 Ke6 loss in 2 half-moves
6 Ke8 loss in 2 half-moves
7 Kf6 loss in 2 half-moves
8 Kf8 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Kg8 loss in 2 half-moves
11 Rh1 loss in 2 half-moves
12 Rh3 loss in 2 half-moves
13 Rh4 loss in 2 half-moves
14 Rh5 loss in 2 half-moves
15 Rh6 loss in 2 half-moves
16 Rh8 loss in 2 half-moves