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 Kf5 loss in 2 half-moves
3 Kf6 loss in 2 half-moves
4 Kf7 loss in 2 half-moves
5 Kg5 loss in 2 half-moves
6 Kg7 loss in 2 half-moves
7 Kh5 loss in 2 half-moves
8 Kh6 loss in 2 half-moves
9 Kh7 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Rd8 loss in 1 half-moves
20 Rf1 loss in 1 half-moves
21 Rf2 loss in 1 half-moves
22 Rf3 loss in 1 half-moves