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

EGTB: loss in 11 half-moves

# move score
1 Kb6 loss in 10 half-moves
2 Kb7 loss in 10 half-moves
3 Kc7 loss in 10 half-moves
4 Kd7 loss in 8 half-moves
5 Kb5 loss in 2 half-moves
6 Kc5 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kd6 loss in 2 half-moves