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 Kg2 draw
5 Kh1 draw
6 Kh2 draw
7 Rb7 draw
8 Rc7 draw
9 Rd7 draw
10 Re7 draw
11 Rf1 draw
12 Rf3 draw
13 Rf5 draw
14 Rf6 draw
15 Rg7 draw
16 Rh7 draw
17 Ra7 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf8 loss in 2 half-moves