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 Kf7 loss in 4 half-moves
3 Kd7 loss in 2 half-moves
4 Kd8 loss in 2 half-moves
5 Ke7 loss in 2 half-moves
6 Rf2 loss in 2 half-moves
7 Rf6 loss in 2 half-moves
8 Rf7 loss in 2 half-moves
9 Rg8 loss in 2 half-moves
10 Rh8 loss in 2 half-moves
11 Rf3 loss in 1 half-moves
12 Rf4 loss in 1 half-moves
13 Rf5 loss in 1 half-moves