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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Kg3 draw
3 Kg6 draw
4 Kgg4 draw
5 Kgh5 draw
6 Kh3 draw
7 Kh6 draw
8 Khg4 draw
9 Khh5 draw
10 Ra1 draw
11 Ra2 draw
12 Ra4 draw
13 Rb8 draw
14 Rg8 draw
15 Rh8 draw
16 Kf4 loss in 2 half-moves
17 Kf5 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rf8 loss in 2 half-moves