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 Ke6 loss in 2 half-moves
3 Ke7 loss in 2 half-moves
4 Ke8 loss in 2 half-moves
5 Kf6 loss in 2 half-moves
6 Kf8 loss in 2 half-moves
7 Kg6 loss in 2 half-moves
8 Kg7 loss in 2 half-moves
9 Kg8 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rd1 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rf5 loss in 2 half-moves
14 Rf6 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rh1 loss in 2 half-moves
17 Ra1 loss in 1 half-moves
18 Rc1 loss in 1 half-moves
19 Re1 loss in 1 half-moves
20 Rf2 loss in 1 half-moves