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 K6d6 draw
3 K6d7 draw
4 K6f6 draw
5 K7d7 draw
6 K7f6 draw
7 Kd8 draw
8 Ke5 draw
9 Ke8 draw
10 Kf5 draw
11 Kf8 draw
12 Rf1 draw
13 Rf2 draw
14 Rf6 draw
15 Rf8 draw
16 Rg7 draw
17 Rh7 draw
18 K7d6 loss in 1 half-moves
19 Kd5 loss in 1 half-moves
20 Rf3 loss in 1 half-moves
21 Rf5 loss in 1 half-moves