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

EGTB: win in 4 half-moves

# move score
1 Kg5 win in 3 half-moves
2 Kg6 win in 3 half-moves
3 Rf6 win in 3 half-moves
4 Kd7 win in 7 half-moves
5 Ke7 win in 7 half-moves
6 Kf7 win in 7 half-moves
7 Kd6 win in 11 half-moves
8 Kh4 win in 13 half-moves
9 Kf6 draw
10 Kg4 draw
11 Rg6 draw
12 Rh7 draw
13 Rh8 draw
14 Kd5 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Kf5 loss in 2 half-moves