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

EGTB: loss in 3 half-moves

# move score
1 a2 loss in 2 half-moves
2 Kg2 loss in 2 half-moves
3 Kg4 loss in 2 half-moves
4 Kh4 loss in 2 half-moves
5 Kg3 loss in 1 half-moves
6 Kh2 loss in 1 half-moves