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