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 Kd5 draw
3 Kd6 draw
4 Kd7 draw
5 Ke5 draw
6 Ke7 draw
7 Kf5 draw
8 Kf6 draw
9 Ra7 draw
10 Rb7 draw
11 Re7 draw
12 Rf3 draw
13 Rf5 draw
14 Rf6 draw
15 Rf8 draw
16 Rg7 draw
17 Rh7 draw
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves