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

EGTB: loss in 25 half-moves

# move score
1 Kb5 loss in 24 half-moves
2 Kb6 loss in 20 half-moves
3 Ka5 loss in 14 half-moves
4 Ka7 loss in 12 half-moves
5 Kb7 loss in 12 half-moves