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

Book: ∞ / 0

# move proof disproof
1 Nxd1 0
2 exd1=R 0
3 Nxh3 0
4 exd1=Q 0
5 exd1=K 0
6 Bxh3 0
7 exd1=N 0
8 exd1=B 0
9 Rxh3 0