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

EGTB: loss in 3 half-moves

# move score
1 b4 loss in 2 half-moves
2 Ke7 loss in 2 half-moves
3 Ke8 loss in 2 half-moves
4 Kf7 loss in 2 half-moves
5 Kg7 loss in 2 half-moves
6 Kg8 loss in 2 half-moves
7 Nf4 loss in 2 half-moves
8 Ng3 loss in 2 half-moves
9 Ng7 loss in 2 half-moves
10 Nf6 loss in 1 half-moves