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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 a5 0
3 Na6 0
4 a6 0
5 e6 0
6 e5 0
7 Qe8 0
8 Kd6 0
9 Qh8 0
10 Bb7 0
11 Qf8 0
12 Qg8 0
13 Ke8 0
14 Ke6 0
15 Kc6 0
16 c6 0
17 Nc6 0
18 Ba6 0