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

Book: ∞ / 0

# move proof disproof
1 c6 0
2 Qe8 0
3 h5 0
4 a6 0
5 Ke6 0
6 a5 0
7 Na6 0
8 Bg7 0
9 Nc6 0
10 Kc6 0
11 Ke8 0
12 c5 0
13 e6 0
14 f5 0
15 f6 0
16 Bb7 0
17 Kd6 0
18 Ba6 0