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 Rf8 win in 5 half-moves
3 Ra4 draw
4 Ra5 draw
5 Ra6 draw
6 Ra7 draw
7 Rd8 draw
8 Re8 draw
9 Rg8 draw
10 Kf1 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Kgg2 loss in 2 half-moves
13 Kgh2 loss in 2 half-moves
14 Khg2 loss in 2 half-moves
15 Khh2 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc8 loss in 2 half-moves