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

EGTB: loss in 15 half-moves

# move score
1 Kb7 loss in 14 half-moves
2 Kc8 loss in 14 half-moves
3 Kd7 loss in 12 half-moves
4 Kd8 loss in 12 half-moves
5 Kb8 loss in 10 half-moves
6 Kb6 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kd6 loss in 2 half-moves