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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 Nb7 0
3 a6 0
4 h5 0
5 Bg7 0
6 Nf7 0
7 Kd6 0
8 Ke8 0
9 Kc7 0
10 e6 0
11 Bb7 0
12 h6 0
13 e5 0
14 Ke6 0
15 Na6 0
16 Ba6 0
17 Ne6 0
18 Rg8 0
19 Bh6 0
20 a5 0