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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 Kf2 draw
3 Kf3 draw
4 Kf4 draw
5 Kg2 draw
6 Kg5 draw
7 Kgg4 draw
8 Kgh3 draw
9 Kh2 draw
10 Kh5 draw
11 Khg4 draw
12 Khh3 draw
13 Rc6 draw
14 Rd6 draw
15 Re6 draw
16 Rf6 draw
17 Rg6 draw
18 Ra6 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rh7 loss in 2 half-moves
21 Rh8 loss in 2 half-moves