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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Ke5 win in 7 half-moves
3 Ke6 win in 7 half-moves
4 Kf6 win in 7 half-moves
5 Kff4 win in 7 half-moves
6 Kfg5 win in 7 half-moves
7 Kg6 win in 7 half-moves
8 Rh7 win in 7 half-moves
9 Rh8 win in 7 half-moves
10 Kf3 draw
11 Kg3 draw
12 Kgf4 draw
13 Kgg5 draw
14 Kh3 draw
15 Kh5 draw
16 Rh5 draw
17 Ke4 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Rh3 loss in 2 half-moves