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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 a5 0
3 a6 0
4 c6 0
5 Nd7 0
6 Nh7 0
7 Rg7 0
8 h3 0
9 Rh8 0
10 g5 0