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

EGTB: win in 4 half-moves

# move score
1 Kf5 win in 3 half-moves
2 Kf6 win in 3 half-moves
3 Kgh5 win in 3 half-moves
4 Rf8 win in 3 half-moves
5 Kf4 draw
6 Kg3 draw
7 Kg6 draw
8 Kgg4 draw
9 Kh3 draw
10 Kh6 draw
11 Khg4 draw
12 Khh5 draw
13 Ra8 draw
14 Re8 draw
15 Rh8 draw
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves