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

EGTB: win in 4 half-moves

# move score
1 Kg6 win in 3 half-moves
2 Kf3 win in 5 half-moves
3 Kh6 win in 5 half-moves
4 Kg5 draw
5 Khg4 draw
6 Khh4 draw
7 Rh1 draw
8 Rh2 draw
9 Kf2 loss in 2 half-moves
10 Kf4 loss in 2 half-moves
11 Kg2 loss in 2 half-moves
12 Kgg4 loss in 2 half-moves
13 Kgh4 loss in 2 half-moves
14 Kh2 loss in 2 half-moves
15 Rh4 loss in 2 half-moves