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

EGTB: loss in 5 half-moves

# move score
1 Kb1 loss in 4 half-moves
2 Kb2 loss in 2 half-moves
3 Kc2 loss in 2 half-moves
4 Kd1 loss in 2 half-moves
5 Kd2 loss in 2 half-moves
6 Nb6 loss in 2 half-moves
7 Nc7 loss in 2 half-moves