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

EGTB: loss in 53 half-moves

# move score
1 Kb3 loss in 52 half-moves
2 Kb2 loss in 42 half-moves
3 Ka3 loss in 40 half-moves
4 Ka1 loss in 36 half-moves
5 Kb1 loss in 36 half-moves