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

Book: ∞ / 0

# move proof disproof
1 c4 0
2 Nc6 0
3 Ba6 0
4 e5 0
5 e6 0
6 g4 0
7 Kc6 0
8 a6 0
9 Rg8 0
10 Kd6 0
11 Kc7 0
12 Kd8 0
13 Ke8 0
14 Na6 0
15 Bg7 0
16 Nf6 0
17 Bh6 0
18 a5 0
19 Ke6 0
20 Bb7 0