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 Kg1 draw
3 Kh1 draw
4 Kh2 draw
5 Kh3 draw
6 Ra7 draw
7 Rb7 draw
8 Rc7 draw
9 Re7 draw
10 Rf1 draw
11 Rf3 draw
12 Rf5 draw
13 Rf6 draw
14 Rg7 draw
15 Rh7 draw
16 Kf1 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kg3 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf8 loss in 2 half-moves