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 Kd7 loss in 2 half-moves
3 Kd8 loss in 2 half-moves
4 Ke7 loss in 2 half-moves
5 Kf7 loss in 2 half-moves
6 Kf8 loss in 2 half-moves
7 Rc1 loss in 2 half-moves
8 Rd1 loss in 2 half-moves
9 Re1 loss in 2 half-moves
10 Rf2 loss in 2 half-moves
11 Rf3 loss in 2 half-moves
12 Rf5 loss in 2 half-moves
13 Rf6 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Ra1 loss in 1 half-moves
19 Rb1 loss in 1 half-moves