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

EGTB: loss in 5 half-moves

# move score
1 Kb7 loss in 4 half-moves
2 Kb8 loss in 4 half-moves
3 Ka7 loss in 2 half-moves
4 Nf4 loss in 2 half-moves
5 Ng3 loss in 2 half-moves
6 Nf6 loss in 1 half-moves
7 Ng7 loss in 1 half-moves