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

EGTB: win in 2 half-moves

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