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

Book: ∞ / 0

# move proof disproof
1 g5 0
2 f5 0
3 Bg7 0
4 f6 0
5 c5 0
6 a6 0
7 Ba6 0
8 e6 0
9 Nf6 0
10 a5 0
11 e5 0
12 Bb7 0
13 d6 0
14 Bh6 0
15 d5 0
16 c6 0
17 Nc6 0
18 Na6 0
19 Nh6 0