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

EGTB: loss in 81 half-moves

# move score
1 Kb5 loss in 80 half-moves
2 Ka5 loss in 78 half-moves
3 Kb6 loss in 74 half-moves
4 Ka7 loss in 70 half-moves
5 Kb7 loss in 70 half-moves