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

EGTB: loss in 49 half-moves

# move score
1 Kb2 loss in 48 half-moves
2 Kb3 loss in 48 half-moves
3 Kb4 loss in 46 half-moves
4 Ka2 loss in 34 half-moves
5 Ka4 loss in 34 half-moves