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 Rh8 win in 1 half-moves
3 Ra8 loss in 2 half-moves
4 Rc8 loss in 2 half-moves
5 Re8 loss in 2 half-moves
6 Rf8 loss in 2 half-moves
7 Rg8 loss in 2 half-moves