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

Book: ∞ / 0

# move proof disproof
1 Qxe7 0
2 bxa1=Q 0
3 Bxe7 0
4 bxa1=R 0
5 bxa1=B 0
6 bxa1=N 0
7 bxa1=K 0
8 Kxe7 0