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

EGTB: win in 2 half-moves

# move score
1 a2 win in 1 half-moves
2 Kg2 win in 1 half-moves
3 Kg3 win in 1 half-moves
4 Kh3 win in 1 half-moves
5 Kg1 loss in 1 half-moves
6 Kh1 loss in 1 half-moves