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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 e5 0
3 f5 0
4 Kc6 0
5 Kd6 0
6 Ke6 0
7 f6 0
8 Bg7 0
9 Nc6 0
10 Bb7 0
11 c6 0
12 a5 0
13 Kd8 0
14 Ba6 0
15 e6 0
16 Na6 0
17 Nf6 0
18 Nh6 0
19 Bh6 0
20 a6 0
21 Qd8 0