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

EGTB: win in 10 half-moves

# move score
1 Ra1 win in 9 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kgg1 draw
5 Kgh2 draw
6 Khg1 draw
7 Ra2 draw
8 Ra7 draw
9 Rb8 draw
10 Rc8 draw
11 Rd8 draw
12 Re8 draw
13 Rf8 draw
14 Kf3 loss in 2 half-moves
15 Kg3 loss in 2 half-moves
16 Kh3 loss in 2 half-moves
17 Khh2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves