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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 e4 0
3 Nh6 0
4 Nf6 0
5 Ne7 0
6 a6 0
7 h6 0
8 g6 0
9 g5 0
10 Rd8 0
11 Rf8 0
12 Rb8 0
13 Rc8 0
14 Re8 0