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

Book: ∞ / 0

# move proof disproof
1 Qa5 0
2 Nc6 0
3 Na6 0
4 h4 0
5 f6 0
6 Qc7 0
7 d6 0
8 d5 0
9 Qb6 0
10 f5 0
11 e5 0
12 Bh6 0
13 Bg7 0
14 b6 0
15 a6 0
16 e6 0
17 b5 0
18 a5 0