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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 d6 0
3 b6 0
4 a6 0
5 b5 0
6 f5 0
7 Nc6 0
8 Bg7 0
9 Kb6 0
10 e5 0
11 Kc6 0
12 Kd6 0
13 h5 0
14 e6 0
15 Na6 0
16 Kd8 0