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 Ra1 draw
4 Rf8 draw
5 Kf4 loss in 2 half-moves
6 Kf5 loss in 2 half-moves
7 Kf6 loss in 2 half-moves
8 Kg4 loss in 2 half-moves
9 Kg7 loss in 2 half-moves
10 Kg8 loss in 2 half-moves
11 Kgg6 loss in 2 half-moves
12 Kgh6 loss in 2 half-moves
13 Kh4 loss in 2 half-moves
14 Kh5 loss in 2 half-moves
15 Kh8 loss in 2 half-moves
16 Khg6 loss in 2 half-moves
17 Khh6 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Re8 loss in 2 half-moves