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

EGTB: loss in 13 half-moves

# move score
1 Kb5 loss in 12 half-moves
2 Kb6 loss in 12 half-moves
3 Kc4 loss in 12 half-moves
4 Kc6 loss in 12 half-moves
5 Nb6 loss in 6 half-moves
6 Kb4 loss in 2 half-moves
7 Kd4 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Nc7 loss in 2 half-moves