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

Book: ∞ / 0

# move proof disproof
1 d6 0
2 e5 0
3 e6 0
4 Bh6 0
5 h3 0
6 Nh6 0
7 Kf7 0
8 Kd8 0
9 d5 0
10 a6 0
11 Na6 0
12 f4 0
13 Nc6 0
14 Nf6 0
15 Bg7 0
16 b6 0
17 b5 0