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

EGTB: loss in 23 half-moves

# move score
1 Kb7 loss in 22 half-moves
2 Kd7 loss in 22 half-moves
3 Kc7 loss in 20 half-moves
4 Kd8 loss in 20 half-moves
5 Kb8 loss in 18 half-moves