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

EGTB: win in 2 half-moves

# move score
1 Rf1 win in 1 half-moves
2 Rf4 win in 1 half-moves
3 Kf7 loss in 6 half-moves
4 Ra8 loss in 6 half-moves
5 Rb8 loss in 6 half-moves
6 Kf6 loss in 4 half-moves
7 Re8 loss in 4 half-moves
8 Kd5 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves
21 Rf2 loss in 1 half-moves
22 Rf3 loss in 1 half-moves