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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Kg8 win in 7 half-moves
3 Kh7 win in 7 half-moves
4 Rh1 win in 7 half-moves
5 Rh2 win in 7 half-moves
6 Rh3 win in 7 half-moves
7 Kf4 draw
8 Kg4 draw
9 Kg6 draw
10 Kg7 draw
11 Kh4 draw
12 Kh6 draw
13 Kf5 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Rh6 loss in 2 half-moves
16 Rh7 loss in 2 half-moves