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 Kf1 loss in 2 half-moves
3 Kf2 loss in 2 half-moves
4 Kg2 loss in 2 half-moves
5 Kh1 loss in 2 half-moves
6 Kh2 loss in 2 half-moves
7 Ra6 loss in 2 half-moves
8 Re6 loss in 2 half-moves
9 Rf1 loss in 2 half-moves
10 Rf2 loss in 2 half-moves
11 Rf3 loss in 2 half-moves
12 Rf5 loss in 2 half-moves
13 Rg6 loss in 2 half-moves
14 Rh6 loss in 2 half-moves
15 Rb6 loss in 1 half-moves
16 Rc6 loss in 1 half-moves
17 Rd6 loss in 1 half-moves
18 Rf7 loss in 1 half-moves
19 Rf8 loss in 1 half-moves