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

EGTB: loss in 7 half-moves

# move score
1 Kc7 loss in 6 half-moves
2 Kc8 loss in 6 half-moves
3 Kd7 loss in 6 half-moves
4 Ke8 loss in 4 half-moves
5 Ke7 loss in 2 half-moves
6 Nb1 loss in 2 half-moves
7 Nb5 loss in 2 half-moves
8 Nc2 loss in 2 half-moves
9 Nc4 loss in 2 half-moves