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 Kf7 draw
3 Kg3 draw
4 Kg4 draw
5 Kg5 draw
6 Kg7 draw
7 Kg8 draw
8 Kh3 draw
9 Kh5 draw
10 Ra6 draw
11 Rf6 draw
12 Rg6 draw
13 Rh8 draw
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rh7 loss in 2 half-moves