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

EGTB: loss in 5 half-moves

# move score
1 Kb1 loss in 4 half-moves
2 Kc2 loss in 4 half-moves
3 Kd1 loss in 4 half-moves
4 Kb2 loss in 2 half-moves
5 Kd2 loss in 2 half-moves
6 Nb7 loss in 2 half-moves
7 Nc6 loss in 2 half-moves
8 Ne6 loss in 2 half-moves
9 Nf7 loss in 1 half-moves