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

EGTB: loss in 3 half-moves

# move score
1 Kb5 loss in 2 half-moves
2 Nf6 loss in 2 half-moves
3 Nf8 loss in 2 half-moves
4 Ng5 loss in 2 half-moves
5 Ka4 loss in 1 half-moves
6 Ka6 loss in 1 half-moves
7 Kb4 loss in 1 half-moves
8 Kb6 loss in 1 half-moves