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 Ra7 draw
8 Rb7 draw
9 Rc7 draw
10 Rd7 draw
11 Re7 draw
12 Rf1 draw
13 Rf2 draw
14 Rf3 draw
15 Rf5 draw
16 Rf6 draw
17 Rg7 draw
18 Rh7 draw
19 Kf3 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Kh3 loss in 2 half-moves
22 Rf8 loss in 2 half-moves