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

EGTB: win in 2 half-moves

# move score
1 Rf5 win in 1 half-moves
2 Kf6 draw
3 Ra3 draw
4 Rc3 draw
5 Rf1 draw
6 Rf2 draw
7 Rg3 draw
8 Rh3 draw
9 Ke6 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Kf8 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Kg8 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf6 loss in 2 half-moves