Click on the third or sixth rank to set the en passant target square.

EGTB: loss in 3 half-moves

# move score
1 Rb8 loss in 2 half-moves
2 Rc8 loss in 2 half-moves
3 Re8 loss in 2 half-moves
4 Rf8 loss in 2 half-moves
5 Rg8 loss in 2 half-moves
6 Rh8 loss in 2 half-moves
7 Nb6 loss in 1 half-moves
8 Nc7 loss in 1 half-moves