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 Kg8 loss in 2 half-moves
7 Kgg7 loss in 2 half-moves
8 Kgh7 loss in 2 half-moves
9 Kh5 loss in 2 half-moves
10 Kh6 loss in 2 half-moves
11 Khg7 loss in 2 half-moves
12 Khh7 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves