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

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Kd4 draw
3 Kd5 draw
4 Kd6 draw
5 Ra1 draw
6 Ra2 draw
7 Ra3 draw
8 Rd8 draw
9 Re8 draw
10 Rg8 draw
11 Rh8 draw
12 Ke1 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf4 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kg1 loss in 2 half-moves
21 Kg2 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Ra7 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rc8 loss in 2 half-moves