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 Rf6 win in 1 half-moves
3 Rf7 draw
4 Kd7 loss in 2 half-moves
5 Kd8 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Rf1 loss in 2 half-moves
8 Rf2 loss in 2 half-moves
9 Rf3 loss in 2 half-moves
10 Rg8 loss in 2 half-moves
11 Rh8 loss in 2 half-moves
12 Kf7 loss in 1 half-moves
13 Rf5 loss in 1 half-moves