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

EGTB: loss in 57 half-moves

# move score
1 Kb6 loss in 56 half-moves
2 Kb7 loss in 56 half-moves
3 Kb8 loss in 56 half-moves
4 Ka6 loss in 24 half-moves
5 Nb6 loss in 14 half-moves
6 Ka8 loss in 8 half-moves
7 Nb2 loss in 4 half-moves
8 Nc5 loss in 2 half-moves
9 Nc3 loss in 1 half-moves