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

EGTB: loss in 57 half-moves

# move score
1 Kc7 loss in 56 half-moves
2 Kc8 loss in 54 half-moves
3 Kb7 loss in 46 half-moves
4 Ka7 loss in 36 half-moves
5 Ka8 loss in 36 half-moves