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 Kd7 draw
3 Ke5 draw
4 Ke7 draw
5 Kf5 draw
6 Kf6 draw
7 Kf7 draw
8 Rc8 draw
9 Rd8 draw
10 Re8 draw
11 Rf3 draw
12 Rf6 draw
13 Rg8 draw
14 Rh8 draw
15 Kd5 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf7 loss in 2 half-moves