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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Rb5 loss in 4 half-moves
3 Rg5 loss in 4 half-moves
4 Rh5 loss in 4 half-moves
5 Ke7 loss in 2 half-moves
6 Ke8 loss in 2 half-moves
7 Kf7 loss in 2 half-moves
8 Kg7 loss in 2 half-moves
9 Kg8 loss in 2 half-moves
10 Rc5 loss in 2 half-moves
11 Rd5 loss in 2 half-moves
12 Re5 loss in 2 half-moves
13 Rf6 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Ra5 loss in 1 half-moves
16 Rf1 loss in 1 half-moves
17 Rf2 loss in 1 half-moves
18 Rf3 loss in 1 half-moves