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

EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Kf6 draw
3 Kf8 draw
4 Kfg6 draw
5 Kfg7 draw
6 Kg5 draw
7 Kg8 draw
8 Kh5 draw
9 Kh7 draw
10 Khg6 draw
11 Khg7 draw
12 Ra2 draw
13 Re2 draw
14 Rf1 draw
15 Rf3 draw
16 Rf4 draw
17 Rf6 draw
18 Rg2 draw
19 Rh2 draw
20 Ke6 loss in 2 half-moves
21 Ke7 loss in 2 half-moves
22 Ke8 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rc2 loss in 2 half-moves
25 Rd2 loss in 2 half-moves