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

Book: ∞ / 0

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