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 Kb6 loss in 12 half-moves
3 Nb7 loss in 10 half-moves
4 Ka6 loss in 6 half-moves
5 Ka4 loss in 4 half-moves
6 Kb4 loss in 2 half-moves
7 Nc6 loss in 2 half-moves
8 Ne6 loss in 2 half-moves
9 Nf7 loss in 2 half-moves