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

EGTB: loss in 5 half-moves

# move score
1 Kd7 loss in 4 half-moves
2 Kd8 loss in 4 half-moves
3 Ke7 loss in 4 half-moves
4 Kf7 loss in 4 half-moves
5 Kf8 loss in 4 half-moves
6 Nc1 loss in 4 half-moves
7 Nb4 loss in 2 half-moves
8 Nc3 loss in 2 half-moves