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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Ra1 draw
3 Ra5 draw
4 Ra6 draw
5 Ra7 draw
6 Re8 draw
7 Rf8 draw
8 Rg8 draw
9 Kd5 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Kef5 loss in 2 half-moves
15 Kef6 loss in 2 half-moves
16 Kef7 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Kgf5 loss in 2 half-moves
20 Kgf6 loss in 2 half-moves
21 Kgf7 loss in 2 half-moves
22 Kh5 loss in 2 half-moves
23 Kh6 loss in 2 half-moves
24 Kh7 loss in 2 half-moves
25 Ra2 loss in 2 half-moves
26 Ra3 loss in 2 half-moves
27 Ra4 loss in 2 half-moves
28 Rb8 loss in 2 half-moves
29 Rc8 loss in 2 half-moves
30 Rd8 loss in 2 half-moves