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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 Na6 0
3 Nc6 0
4 Kd8 0
5 d2 0
6 a6 0
7 f6 0
8 b5 0
9 b6 0
10 h5 0
11 f5 0
12 e6 0
13 Bg7 0
14 e5 0
15 a5 0
16 d6 0