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

Book: ∞ / 0

# move proof disproof
1 e5 0
2 e6 0
3 c6 0
4 Nc6 0
5 Na6 0
6 Ba6 0
7 Ke6 0
8 h6 0
9 Bb7 0
10 c5 0
11 h5 0
12 Kd6 0
13 Kd8 0
14 Ke8 0
15 Kc6 0