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

EGTB: loss in 19 half-moves

# move score
1 Kb3 loss in 18 half-moves
2 Kb4 loss in 18 half-moves
3 Kb5 loss in 14 half-moves
4 Ka5 loss in 12 half-moves
5 Ka3 loss in 4 half-moves