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

EGTB: loss in 19 half-moves

# move score
1 Kb5 loss in 18 half-moves
2 Kb6 loss in 16 half-moves
3 Nc7 loss in 12 half-moves
4 Nb8 loss in 4 half-moves
5 Nc5 loss in 4 half-moves
6 Ka4 loss in 2 half-moves
7 Kb4 loss in 2 half-moves
8 Nb4 loss in 2 half-moves