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

EGTB: win in 2 half-moves

# move score
1 b7 win in 1 half-moves
2 Nc3 draw
3 Nc7 draw
4 Nd4 draw
5 Nd6 draw
6 Na3 loss in 5 half-moves
7 Na7 loss in 5 half-moves