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