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

EGTB: win in 4 half-moves

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