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

EGTB: loss in 3 half-moves

# move score
1 Kb7 loss in 2 half-moves
2 Kb8 loss in 2 half-moves
3 Kd7 loss in 2 half-moves
4 Kd8 loss in 2 half-moves
5 Kc7 loss in 1 half-moves
6 Nf1 loss in 1 half-moves
7 Nf3 loss in 1 half-moves
8 Ng4 loss in 1 half-moves