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 Kg1 draw
3 Kg8 draw
4 Ra1 draw
5 Ra6 draw
6 Ra7 draw
7 Rc8 draw
8 Rd8 draw
9 Re8 draw
10 Rf8 draw
11 Kg2 loss in 2 half-moves
12 Kg7 loss in 2 half-moves
13 Kh2 loss in 2 half-moves
14 Kh7 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Rg8 loss in 2 half-moves