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 Rf6 win in 7 half-moves
3 Ra3 draw
4 Kd5 loss in 2 half-moves
5 Kd6 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Ke5 loss in 2 half-moves
8 Ke8 loss in 2 half-moves
9 Kee7 loss in 2 half-moves
10 Kef7 loss in 2 half-moves
11 Kf5 loss in 2 half-moves
12 Kf6 loss in 2 half-moves
13 Kfe7 loss in 2 half-moves
14 Kff7 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rh3 loss in 2 half-moves