Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Rf7 win in 3 half-moves
3 Ka6 draw
4 Ka7 draw
5 Ka8 draw
6 Kb6 draw
7 Kb8 draw
8 Kc6 draw
9 Kc7 draw
10 Kc8 draw
11 Kf4 draw
12 Kf6 draw
13 Rb8 draw
14 Rd8 draw
15 Ke4 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Kg4 loss in 2 half-moves
19 Kg5 loss in 2 half-moves
20 Kg6 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves