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 Kc7 loss in 4 half-moves
3 Kc8 loss in 4 half-moves
4 Kd7 loss in 4 half-moves
5 Ke7 loss in 4 half-moves
6 Ke8 loss in 4 half-moves
7 Na5 loss in 4 half-moves
8 Nc5 loss in 4 half-moves
9 Nd6 loss in 4 half-moves