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

EGTB: loss in 55 half-moves

# move score
1 Kc7 loss in 54 half-moves
2 Nc2 loss in 54 half-moves
3 Kc8 loss in 52 half-moves
4 Nb3 loss in 46 half-moves
5 Kb7 loss in 42 half-moves
6 Ka7 loss in 40 half-moves
7 Ka8 loss in 36 half-moves