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 Ka4 loss in 2 half-moves
3 Ka8 loss in 2 half-moves
4 Kb4 loss in 2 half-moves
5 Kb7 loss in 2 half-moves
6 Kb8 loss in 2 half-moves
7 K5a6 loss in 1 half-moves
8 K5b6 loss in 1 half-moves
9 K7a6 loss in 1 half-moves
10 K7b6 loss in 1 half-moves