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

EGTB: loss in 25 half-moves

# move score
1 Kb6 loss in 24 half-moves
2 Kc6 loss in 24 half-moves
3 Kc8 loss in 24 half-moves
4 Kd6 loss in 24 half-moves
5 Kd8 loss in 24 half-moves
6 Kb7 loss in 22 half-moves
7 Kb8 loss in 22 half-moves
8 Kd7 loss in 22 half-moves
9 Nb6 loss in 2 half-moves