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 Ra4 draw
3 Ra5 draw
4 Ra6 draw
5 Ra7 draw
6 Re8 draw
7 Rf8 draw
8 Rh8 draw
9 Kd4 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kee4 loss in 2 half-moves
13 Kee6 loss in 2 half-moves
14 Kef4 loss in 2 half-moves
15 Kef6 loss in 2 half-moves
16 Kfe4 loss in 2 half-moves
17 Kfe6 loss in 2 half-moves
18 Kff4 loss in 2 half-moves
19 Kff6 loss in 2 half-moves
20 Kg4 loss in 2 half-moves
21 Kg5 loss in 2 half-moves
22 Kg6 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Ra3 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rc8 loss in 2 half-moves
28 Rd8 loss in 2 half-moves