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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 a6 0
3 Na6 0
4 Nc6 0
5 Ke8 0
6 Ke7 0
7 e5 0
8 Kd6 0
9 a5 0
10 Kc6 0
11 Bb7 0
12 Ba6 0
13 Kd8 0
14 c6 0