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

EGTB: loss in 11 half-moves

# move score
1 Kb4 loss in 10 half-moves
2 Kb5 loss in 10 half-moves
3 Ka4 loss in 4 half-moves
4 Ka6 loss in 4 half-moves
5 Nb3 loss in 2 half-moves
6 Nc2 loss in 2 half-moves
7 Kb6 loss in 1 half-moves