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

EGTB: loss in 5 half-moves

# move score
1 b5 loss in 4 half-moves
2 Na1 loss in 4 half-moves
3 Ne1 loss in 4 half-moves
4 Na3 loss in 2 half-moves
5 Nd4 loss in 2 half-moves
6 Ne3 loss in 2 half-moves