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

EGTB: loss in 5 half-moves

# move score
1 Kb6 loss in 4 half-moves
2 Kc6 loss in 4 half-moves
3 b4 loss in 2 half-moves
4 Kb4 loss in 2 half-moves
5 Kc4 loss in 2 half-moves
6 Kd4 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Nf6 loss in 2 half-moves
10 Nf8 loss in 2 half-moves
11 Ng5 loss in 2 half-moves