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 Kf5 draw
3 Kf6 draw
4 Kf7 draw
5 Kg5 draw
6 Kg8 draw
7 Kgg7 draw
8 Kgh7 draw
9 Kh5 draw
10 Kh6 draw
11 Khg7 draw
12 Khh7 draw
13 Rd2 draw
14 Re2 draw
15 Rf1 draw
16 Rf6 draw
17 Rf7 draw
18 Rg2 draw
19 Rh2 draw
20 Ra2 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rf5 loss in 2 half-moves