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 Kg7 win in 3 half-moves
3 Rf8 win in 3 half-moves
4 Rg8 win in 3 half-moves
5 Kg5 win in 7 half-moves
6 Kh7 win in 7 half-moves
7 Kf8 win in 11 half-moves
8 Kh5 draw
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Rh7 loss in 2 half-moves