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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 h6 0
3 Bg7 0
4 Bh6 0
5 Rg8 0
6 Ba6 0
7 c6 0
8 e6 0
9 Nbc6 0
10 Ndc6 0
11 Nf7 0
12 a5 0
13 Kd6 0
14 h5 0
15 Kc6 0
16 Ke8 0
17 Bb7 0
18 c5 0
19 Ke6 0
20 Na6 0
21 Ne6 0
22 Nb7 0