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 4 half-moves
3 Kb3 loss in 4 half-moves
4 Kc1 loss in 4 half-moves
5 Kd1 loss in 4 half-moves
6 Kc3 loss in 2 half-moves
7 Kd2 loss in 2 half-moves
8 Kd3 loss in 2 half-moves
9 Nb3 loss in 2 half-moves