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