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

EGTB: loss in 51 half-moves

# move score
1 Kd6 loss in 50 half-moves
2 Kd7 loss in 48 half-moves
3 Kb6 loss in 34 half-moves
4 Kc6 loss in 34 half-moves
5 Kd8 loss in 34 half-moves
6 Kc8 loss in 32 half-moves
7 Kb7 loss in 28 half-moves
8 Kb8 loss in 28 half-moves