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

Book: ∞ / 0

# move proof disproof
1 Nc6 0
2 Bg7 0
3 g5 0
4 c5 0
5 Na6 0
6 Nf6 0
7 d5 0
8 a6 0
9 a5 0
10 c6 0
11 Bh6 0
12 f5 0
13 Ba6 0
14 f6 0
15 e6 0
16 d6 0
17 e5 0
18 Nh6 0
19 Bb7 0