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 Ka7 loss in 2 half-moves
3 Ka8 loss in 2 half-moves
4 Kb7 loss in 2 half-moves
5 Kc7 loss in 2 half-moves
6 Kc8 loss in 2 half-moves
7 Nc7 loss in 2 half-moves
8 Ng7 loss in 2 half-moves
9 Nd6 loss in 1 half-moves
10 Nf6 loss in 1 half-moves