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

EGTB: loss in 37 half-moves

# move score
1 Kb6 loss in 36 half-moves
2 Kb5 loss in 34 half-moves
3 Na6 loss in 24 half-moves
4 Ka6 loss in 12 half-moves
5 Kb4 loss in 8 half-moves
6 Ka4 loss in 4 half-moves
7 Nc6 loss in 2 half-moves
8 Nd7 loss in 2 half-moves