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 Kf1 draw
3 Kf2 draw
4 Kg2 draw
5 Kh2 draw
6 Rd8 draw
7 Re8 draw
8 Rf6 draw
9 Rg8 draw
10 Rh8 draw
11 Rf5 loss in 10 half-moves
12 Kh1 loss in 4 half-moves
13 Ra8 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rc8 loss in 1 half-moves