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

Book: ∞ / 0

# move proof disproof
1 c6 0
2 Nc6 0
3 e6 0
4 Bb7 0
5 Na6 0
6 Nd7 0
7 Ba6 0
8 Be6 0
9 a5 0
10 e5 0
11 Bg7 0
12 a6 0
13 g3 0
14 Bh6 0
15 Nf6 0
16 Bf5 0
17 Bd7 0
18 Nh6 0