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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Khh7 draw
3 Ra3 draw
4 Ra4 draw
5 Ra5 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Kgh7 loss in 2 half-moves
13 Kgg7 loss in 1 half-moves
14 Khg7 loss in 1 half-moves
15 Ra1 loss in 1 half-moves
16 Ra2 loss in 1 half-moves
17 Ra6 loss in 1 half-moves
18 Ra7 loss in 1 half-moves