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

EGTB: loss in 7 half-moves

# move score
1 Kb5 loss in 6 half-moves
2 Ka5 loss in 4 half-moves
3 Ka7 loss in 4 half-moves
4 Kb6 loss in 4 half-moves
5 Kb7 loss in 4 half-moves
6 Ng3 loss in 2 half-moves
7 Nf2 loss in 1 half-moves