Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rf5 win in 1 half-moves
2 Kf6 draw
3 Rf1 draw
4 Rf2 draw
5 Rf3 draw
6 Rf8 draw
7 Rg7 draw
8 Rh7 draw
9 Kd6 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rf6 loss in 2 half-moves