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

EGTB: loss in 33 half-moves

# move score
1 Kb6 loss in 32 half-moves
2 Kb7 loss in 30 half-moves
3 Ka7 loss in 16 half-moves
4 Ka5 loss in 14 half-moves
5 Kb5 loss in 2 half-moves