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 Kg7 draw
3 Kg8 draw
4 Kh7 draw
5 Rc8 draw
6 Rd8 draw
7 Re3 draw
8 Re4 draw
9 Re5 draw
10 Re7 draw
11 Rf8 draw
12 Ra8 loss in 2 half-moves
13 Re1 loss in 2 half-moves
14 Re2 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Rg8 loss in 2 half-moves