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

EGTB: loss in 15 half-moves

# move score
1 Kb7 loss in 14 half-moves
2 Nb5 loss in 8 half-moves
3 Kb8 loss in 6 half-moves
4 Nb1 loss in 4 half-moves
5 Ka7 loss in 2 half-moves
6 Nc4 loss in 2 half-moves
7 Nc2 loss in 1 half-moves