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 Re1 draw
3 Rf8 loss in 10 half-moves
4 Rf4 loss in 6 half-moves
5 Kf5 loss in 2 half-moves
6 Kf6 loss in 2 half-moves
7 Kf7 loss in 2 half-moves
8 Kg5 loss in 2 half-moves
9 Kg7 loss in 2 half-moves
10 Kh5 loss in 2 half-moves
11 Kh6 loss in 2 half-moves
12 Kh7 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rf2 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Ra1 loss in 1 half-moves
21 Rc1 loss in 1 half-moves
22 Rd1 loss in 1 half-moves