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 K7d7 draw
3 K7d8 draw
4 K7f7 draw
5 K8d7 draw
6 K8d8 draw
7 K8f7 draw
8 Rf1 draw
9 Rf2 draw
10 Rf6 draw
11 Rf7 draw
12 Rg8 draw
13 Rh8 draw
14 Kd6 loss in 1 half-moves
15 Ke6 loss in 1 half-moves
16 Kf6 loss in 1 half-moves
17 Rf3 loss in 1 half-moves
18 Rf5 loss in 1 half-moves