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

EGTB: loss in 3 half-moves

# move score
1 Kb7 loss in 2 half-moves
2 Kb8 loss in 2 half-moves
3 Nf7 loss in 2 half-moves
4 Ng6 loss in 2 half-moves
5 Ka7 loss in 1 half-moves