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

EGTB: loss in 5 half-moves

# move score
1 Kc1 loss in 4 half-moves
2 Kc2 loss in 4 half-moves
3 Nf7 loss in 4 half-moves
4 Kb2 loss in 2 half-moves
5 Ng6 loss in 2 half-moves
6 Ka1 loss in 1 half-moves
7 Ka2 loss in 1 half-moves