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

EGTB: loss in 7 half-moves

# move score
1 Kb5 loss in 6 half-moves
2 Kb3 loss in 2 half-moves
3 Kb4 loss in 2 half-moves
4 Nb3 loss in 2 half-moves
5 Nb7 loss in 2 half-moves
6 Nc4 loss in 2 half-moves
7 Nc6 loss in 2 half-moves
8 Ka3 loss in 1 half-moves