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

EGTB: loss in 53 half-moves

# move score
1 Kb4 loss in 52 half-moves
2 Kb5 loss in 52 half-moves
3 Ka5 loss in 42 half-moves
4 Kb3 loss in 34 half-moves
5 Ka3 loss in 20 half-moves