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

EGTB: loss in 53 half-moves

# move score
1 Kb6 loss in 52 half-moves
2 Kb7 loss in 46 half-moves
3 Kb8 loss in 46 half-moves
4 Ka6 loss in 44 half-moves
5 Ka8 loss in 44 half-moves