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

EGTB: win in 10 half-moves

# move score
1 a2 win in 9 half-moves
2 Kf3 draw
3 Kg2 draw
4 Kh2 draw
5 Kh3 loss in 8 half-moves
6 Kh4 loss in 6 half-moves
7 Kf4 loss in 2 half-moves
8 Kg4 loss in 2 half-moves
9 Kf2 loss in 1 half-moves