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 Kc4 draw
3 Kc5 draw
4 Kc6 draw
5 Kd4 draw
6 Kd6 draw
7 Kde4 draw
8 Kde5 draw
9 Kde6 draw
10 Kf4 draw
11 Kf6 draw
12 Rb8 draw
13 Rd8 draw
14 Rf7 draw
15 Kfe4 loss in 2 half-moves
16 Kfe5 loss in 2 half-moves
17 Kfe6 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