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

Book: ∞ / 0

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