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

EGTB: win in 2 half-moves

# move score
1 Rf3 win in 1 half-moves
2 Rf4 draw
3 Rf5 draw
4 Kf1 loss in 2 half-moves
5 Kf2 loss in 2 half-moves
6 Kgg2 loss in 2 half-moves
7 Kgh2 loss in 2 half-moves
8 Khg2 loss in 2 half-moves
9 Khh2 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves
20 Re8 loss in 1 half-moves