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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Kg2 draw
3 Kg3 draw
4 Kg6 draw
5 Kgg4 draw
6 Kgh4 draw
7 Kh2 draw
8 Kh5 draw
9 Kh6 draw
10 Khg4 draw
11 Khh4 draw
12 Ra1 draw
13 Ra3 draw
14 Ra7 draw
15 Rb8 draw
16 Rg8 draw
17 Rh8 draw
18 Kf4 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves