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

EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Ke6 draw
3 Ke7 draw
4 Ke8 draw
5 Kf6 draw
6 Kff8 draw
7 Kfg7 draw
8 Kg6 draw
9 Kgf8 draw
10 Kgg7 draw
11 Kh7 draw
12 Kh8 draw
13 Ra4 draw
14 Re4 draw
15 Rf5 draw
16 Rg4 draw
17 Rh4 draw
18 Rb4 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf3 loss in 2 half-moves