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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Rh8 win in 3 half-moves
3 Rf8 win in 5 half-moves
4 Ra1 draw
5 Ra2 draw
6 Ra3 draw
7 Ra7 draw
8 Rd8 draw
9 Re8 draw
10 Kf3 loss in 2 half-moves
11 Kf4 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kg1 loss in 2 half-moves
14 Kg2 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Kgg3 loss in 2 half-moves
17 Kgh3 loss in 2 half-moves
18 Kh1 loss in 2 half-moves
19 Kh4 loss in 2 half-moves
20 Kh5 loss in 2 half-moves
21 Khg3 loss in 2 half-moves
22 Khh3 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Ra5 loss in 2 half-moves
25 Ra6 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rc8 loss in 2 half-moves