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 Rf6 draw
3 Rg8 draw
4 Kd7 loss in 8 half-moves
5 Ke8 loss in 6 half-moves
6 Ra8 loss in 6 half-moves
7 Rb8 loss in 6 half-moves
8 Rf7 loss in 6 half-moves
9 Rh8 loss in 6 half-moves
10 Kd8 loss in 4 half-moves
11 Kf7 loss in 4 half-moves
12 Re8 loss in 4 half-moves
13 Kd6 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves