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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Nh6 0
3 Kd8 0
4 f6 0
5 f5 0
6 h6 0
7 h5 0
8 Nf6 0
9 g6 0
10 b6 0
11 g5 0
12 d6 0
13 d5 0
14 e5 0
15 Nc6 0
16 Na6 0
17 a5 0
18 e6 0