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 c5 0
4 Nd7 0
5 Na6 0
6 Nf6 0
7 g4 0
8 e5 0
9 Nc6 0
10 f6 0
11 f5 0
12 Ke8 0
13 Kc8 0
14 c6 0
15 Kd7 0
16 e6 0
17 Bh6 0
18 Nh6 0