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 Kd6 draw
3 Kd7 draw
4 Ke5 draw
5 Ke7 draw
6 Kf5 draw
7 Kf7 draw
8 Rf5 draw
9 Rf7 draw
10 Rf8 draw
11 Rg6 draw
12 Rh6 draw
13 Kd5 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf3 loss in 2 half-moves