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

Book: ∞ / 0

# move proof disproof
1 c4 0
2 Bh6 0
3 Kc6 0
4 Kc7 0
5 Ke8 0
6 Ba6 0
7 Kd6 0
8 Bb7 0
9 Rg8 0
10 Nb7 0
11 Na6 0
12 a6 0
13 a5 0
14 e5 0
15 h6 0
16 e6 0
17 Ndc6 0
18 Nf7 0
19 Nbc6 0
20 Ke6 0
21 Bg7 0
22 Ne6 0