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 Kd1 draw
3 Kd2 draw
4 Ke1 draw
5 Kf1 draw
6 Rf3 draw
7 Rf5 draw
8 Rf6 draw
9 Rf7 draw
10 Rf8 draw
11 Rg2 draw
12 Rh2 draw
13 Kd3 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Rf1 loss in 2 half-moves