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 Kd8 draw
5 Ke1 draw
6 Ke2 draw
7 Ke6 draw
8 Ke8 draw
9 Kf2 draw
10 Kf8 draw
11 Kg1 draw
12 Kg2 draw
13 Rf5 draw
14 Rf6 draw
15 Rg7 draw
16 Rh7 draw
17 Rf2 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Kf6 loss in 1 half-moves