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

EGTB: loss in 5 half-moves

# move score
1 Kb5 loss in 4 half-moves
2 Ka4 loss in 2 half-moves
3 Ka6 loss in 2 half-moves
4 Kb4 loss in 2 half-moves
5 Kb6 loss in 2 half-moves
6 Nd1 loss in 2 half-moves
7 Nd3 loss in 2 half-moves
8 Ne4 loss in 2 half-moves
9 Ng4 loss in 2 half-moves
10 Nh1 loss in 2 half-moves
11 Nh3 loss in 1 half-moves