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 Ke6 win in 5 half-moves
3 Ke7 win in 5 half-moves
4 Ke8 win in 5 half-moves
5 Kf7 win in 5 half-moves
6 Kg8 win in 5 half-moves
7 Rg8 win in 5 half-moves
8 Rh7 win in 5 half-moves
9 Kd4 draw
10 Kd5 draw
11 Kd6 draw
12 Ke4 draw
13 Kf4 draw
14 Kf5 draw
15 Kf6 draw
16 Rh1 draw
17 Rh2 draw
18 Rh6 draw
19 Rh3 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Rh5 loss in 2 half-moves