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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 e6 0
3 d6 0
4 d5 0
5 Nf6 0
6 f4 0
7 b6 0
8 Kf7 0
9 Nh6 0
10 e5 0
11 Kd8 0
12 g6 0
13 a6 0
14 g5 0
15 h6 0
16 Na6 0
17 Nc6 0