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

EGTB: win in 4 half-moves

# move score
1 Re8 win in 3 half-moves
2 Rf8 win in 3 half-moves
3 Rg8 win in 3 half-moves
4 Rh8 win in 9 half-moves
5 Kd6 draw
6 Kd7 draw
7 Kd8 draw
8 Ra1 draw
9 Ra2 draw
10 Ra3 draw
11 Ra5 draw
12 Rd8 draw
13 Ke2 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Kf7 loss in 2 half-moves
22 Kf8 loss in 2 half-moves
23 Kg2 loss in 2 half-moves
24 Kg3 loss in 2 half-moves
25 Kg4 loss in 2 half-moves
26 Ra4 loss in 2 half-moves
27 Ra6 loss in 2 half-moves
28 Ra7 loss in 2 half-moves
29 Rb8 loss in 2 half-moves
30 Rc8 loss in 2 half-moves