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 Kd1 draw
3 Kd2 draw
4 Kd6 draw
5 Kd7 draw
6 Kd8 draw
7 Ke1 draw
8 Ke6 draw
9 Ke8 draw
10 Kf1 draw
11 Kf2 draw
12 Rf6 draw
13 Rf7 draw
14 Rg8 draw
15 Rh8 draw
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 Re8 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Kd3 loss in 1 half-moves
26 Ke3 loss in 1 half-moves
27 Kf3 loss in 1 half-moves
28 Kf6 loss in 1 half-moves
29 Kf7 loss in 1 half-moves