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 Kf6 draw
3 Kf7 draw
4 Kg7 draw
5 Kh6 draw
6 Kh7 draw
7 Ra8 draw
8 Rb8 draw
9 Rc8 draw
10 Rd8 draw
11 Re8 draw
12 Rf1 draw
13 Rf2 draw
14 Rf3 draw
15 Rf5 draw
16 Rf6 draw
17 Rg8 draw
18 Rh8 draw
19 Kf5 loss in 2 half-moves
20 Kg5 loss in 2 half-moves
21 Kh5 loss in 2 half-moves
22 Rf7 loss in 2 half-moves