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

EGTB: loss in 51 half-moves

# move score
1 Kb6 loss in 50 half-moves
2 Kc6 loss in 50 half-moves
3 Kd6 loss in 50 half-moves
4 Kb7 loss in 42 half-moves
5 Kd7 loss in 42 half-moves
6 Kc8 loss in 38 half-moves
7 Kd8 loss in 38 half-moves
8 Kb8 loss in 36 half-moves