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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 a6 0
3 a5 0
4 Nc2 0
5 Ne7 0
6 Rb8 0
7 g5 0
8 g6 0
9 e4 0
10 h6 0
11 Nh6 0
12 h5 0
13 Nf6 0
14 d6 0
15 Nb3 0
16 Ba6 0
17 Bb7 0