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

EGTB: loss in 19 half-moves

# move score
1 Kb2 loss in 18 half-moves
2 Kb3 loss in 4 half-moves
3 Ka4 loss in 2 half-moves
4 Nc1 loss in 2 half-moves
5 Nc3 loss in 2 half-moves
6 Kb4 loss in 1 half-moves
7 Nb4 loss in 1 half-moves