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

EGTB: loss in 51 half-moves

# move score
1 Kd7 loss in 50 half-moves
2 Nb6 loss in 28 half-moves
3 Kc7 loss in 18 half-moves
4 Ke8 loss in 18 half-moves
5 Kc8 loss in 16 half-moves
6 Nc7 loss in 12 half-moves
7 Ke7 loss in 1 half-moves