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

EGTB: loss in 13 half-moves

# move score
1 Kb6 loss in 12 half-moves
2 Ka6 loss in 6 half-moves
3 Ka8 loss in 4 half-moves
4 Kb7 loss in 4 half-moves
5 Kb8 loss in 4 half-moves
6 Na4 loss in 2 half-moves
7 Nc4 loss in 2 half-moves
8 Nd1 loss in 2 half-moves
9 Nd3 loss in 2 half-moves