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

EGTB: loss in 7 half-moves

# move score
1 Kb7 loss in 6 half-moves
2 Kb8 loss in 4 half-moves
3 Kd8 loss in 4 half-moves
4 Na8 loss in 4 half-moves
5 Kc7 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Na4 loss in 2 half-moves
8 Nc4 loss in 2 half-moves
9 Nd5 loss in 2 half-moves
10 Nd7 loss in 2 half-moves