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

EGTB: loss in 15 half-moves

# move score
1 Kb5 loss in 14 half-moves
2 Kb6 loss in 12 half-moves
3 Ka5 loss in 6 half-moves
4 Ka7 loss in 6 half-moves
5 Kb7 loss in 6 half-moves
6 Nb6 loss in 2 half-moves
7 Nc7 loss in 2 half-moves