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 Kf1 draw
3 Kf2 draw
4 Kg1 draw
5 Kh1 draw
6 Kh2 draw
7 Kh3 draw
8 Ra7 draw
9 Rb7 draw
10 Rc7 draw
11 Rd7 draw
12 Re7 draw
13 Rf1 draw
14 Rf2 draw
15 Rf3 draw
16 Rf5 draw
17 Rf6 draw
18 Rg7 draw
19 Rh7 draw
20 Kf3 loss in 2 half-moves
21 Kg3 loss in 2 half-moves
22 Rf8 loss in 2 half-moves