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

EGTB: loss in 55 half-moves

# move score
1 Kb4 loss in 54 half-moves
2 Kb3 loss in 50 half-moves
3 Kb2 loss in 48 half-moves
4 Ka4 loss in 40 half-moves
5 Ka2 loss in 36 half-moves