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 Rg7 win in 3 half-moves
4 Rf7 win in 5 half-moves
5 Kg4 win in 9 half-moves
6 Kh4 win in 9 half-moves
7 Kf7 win in 11 half-moves
8 Kd7 win in 15 half-moves
9 Kh6 win in 19 half-moves
10 Kd6 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf8 loss in 2 half-moves
16 Rh6 loss in 2 half-moves
17 Rh8 loss in 2 half-moves