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

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Kf4 draw
3 Kf5 draw
4 Kf6 draw
5 Kg4 draw
6 Kg7 draw
7 Kgg6 draw
8 Kgh5 draw
9 Kh4 draw
10 Kh7 draw
11 Khg6 draw
12 Khh5 draw
13 Ra2 draw
14 Ra6 draw
15 Ra7 draw
16 Re8 draw
17 Rg8 draw
18 Rh8 draw
19 Ra1 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd8 loss in 2 half-moves