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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 Na6 0
3 e5 0
4 h5 0
5 Kd6 0
6 Kd8 0
7 Ke8 0
8 Bg7 0
9 Kc6 0
10 Ba6 0
11 Bb7 0
12 a6 0
13 c6 0
14 Nc6 0
15 Bh6 0
16 Rg8 0
17 e6 0
18 h6 0
19 Ke6 0