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 Kd3 draw
5 Ke1 draw
6 Ke3 draw
7 Kf1 draw
8 Kf2 draw
9 Kf3 draw
10 Rb7 draw
11 Rc7 draw
12 Rd7 draw
13 Rf2 draw
14 Rf3 draw
15 Rf5 draw
16 Rf6 draw
17 Rf8 draw
18 Rg7 draw
19 Rh7 draw
20 Ra7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf1 loss in 2 half-moves