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 Kff4 draw
3 Kff6 draw
4 Kgf4 draw
5 Kgf6 draw
6 Kgg4 draw
7 Kgg6 draw
8 Kh4 draw
9 Kh5 draw
10 Kh6 draw
11 Rd8 draw
12 Rf7 draw
13 Rg8 draw
14 Ke4 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Kfg4 loss in 2 half-moves
18 Kfg6 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves