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

EGTB: loss in 5 half-moves

# move score
1 Kh3 loss in 4 half-moves
2 a1=B loss in 2 half-moves
3 a1=K loss in 2 half-moves
4 a1=N loss in 2 half-moves
5 a1=Q loss in 2 half-moves
6 a1=R loss in 2 half-moves
7 Kg3 loss in 2 half-moves
8 Kg4 loss in 2 half-moves
9 Kg5 loss in 1 half-moves
10 Kh5 loss in 1 half-moves