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

EGTB: win in 2 half-moves

# move score
1 Rf2 win in 1 half-moves
2 Kf3 loss in 4 half-moves
3 Kf4 loss in 4 half-moves
4 Kf5 loss in 4 half-moves
5 Kg3 loss in 4 half-moves
6 Rb7 loss in 4 half-moves
7 Rg7 loss in 4 half-moves
8 Kg5 loss in 2 half-moves
9 Kh3 loss in 2 half-moves
10 Kh4 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rh7 loss in 2 half-moves