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

EGTB: loss in 13 half-moves

# move score
1 Kb5 loss in 12 half-moves
2 Kb4 loss in 10 half-moves
3 Kb6 loss in 10 half-moves
4 Ka4 loss in 8 half-moves
5 Ka6 loss in 8 half-moves
6 Nb5 loss in 2 half-moves
7 Nc6 loss in 2 half-moves
8 Nc8 loss in 2 half-moves