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 Kd5 draw
5 Kd6 draw
6 Kd7 draw
7 Ke2 draw
8 Ke5 draw
9 Kf1 draw
10 Kf2 draw
11 Kf5 draw
12 Rf1 draw
13 Rf2 draw
14 Rf3 draw
15 Rf5 draw
16 Ke7 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves