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

EGTB: loss in 37 half-moves

# move score
1 Kb7 loss in 36 half-moves
2 Kc7 loss in 28 half-moves
3 Kb8 loss in 26 half-moves
4 Kd7 loss in 22 half-moves
5 Kd8 loss in 16 half-moves