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 Kf3 draw
4 Kg1 draw
5 Kg2 draw
6 Kg3 draw
7 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Rf3 draw
11 Rf5 draw
12 Rf6 draw
13 Rg7 draw
14 Rh7 draw
15 Ke1 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves