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