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

EGTB: loss in 43 half-moves

# move score
1 Kb2 loss in 42 half-moves
2 Kb3 loss in 36 half-moves
3 Kb4 loss in 36 half-moves
4 Ka2 loss in 32 half-moves
5 Ka4 loss in 30 half-moves