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 Kg8 draw
3 Ra7 draw
4 Rd8 draw
5 Re8 draw
6 Rc8 loss in 6 half-moves
7 Ra6 loss in 4 half-moves
8 Kg7 loss in 2 half-moves
9 Kh7 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Ra1 loss in 1 half-moves
16 Ra2 loss in 1 half-moves