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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Bg7 0
3 Nd7 0
4 Na6 0
5 g4 0
6 Nf6 0
7 e6 0
8 f6 0
9 f5 0
10 Kd8 0
11 Nc6 0
12 c5 0
13 e5 0
14 Kd7 0
15 c6 0
16 Bh6 0
17 Nh6 0