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

Book: ∞ / 0

# move proof disproof
1 e5 0
2 c6 0
3 Kd8 0
4 Ke8 0
5 f6 0
6 Kd6 0
7 e6 0
8 Bg7 0
9 f5 0
10 h5 0
11 Ba6 0
12 Kc6 0
13 Ke6 0
14 Bb7 0
15 Na6 0
16 Nc6 0