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 Nb7 loss in 8 half-moves
3 Nb3 loss in 2 half-moves
4 Nc4 loss in 2 half-moves
5 Nc6 loss in 2 half-moves
6 Ra6 loss in 2 half-moves
7 Ra7 loss in 2 half-moves
8 Rc8 loss in 2 half-moves
9 Rd8 loss in 2 half-moves
10 Re8 loss in 2 half-moves
11 Rf8 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves