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

EGTB: loss in 21 half-moves

# move score
1 Kb6 loss in 20 half-moves
2 Ka4 loss in 18 half-moves
3 Kb5 loss in 18 half-moves
4 Kb4 loss in 16 half-moves
5 Ka6 loss in 12 half-moves