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

Book: ∞ / 0

# move proof disproof
1 c4 0
2 f5 0
3 Ba6 0
4 a5 0
5 Kc7 0
6 Nh6 0
7 Bh6 0
8 e6 0
9 Nc6 0
10 e5 0
11 h6 0
12 Ke6 0
13 Na6 0
14 a6 0
15 Kc6 0
16 Kd6 0
17 h5 0
18 Ke8 0
19 Kd8 0
20 Bb7 0
21 Bg7 0