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

Book: ∞ / 0

# move proof disproof
1 g5 0
2 Ba6 0
3 h5 0
4 Ne5 0
5 Nb6 0
6 a6 0
7 Bg7 0
8 Bd6 0
9 e5 0
10 Bh6 0
11 Ne7 0
12 Ngf6 0
13 a5 0
14 Bb7 0
15 f5 0
16 Nh6 0
17 Be7 0
18 h6 0
19 f6 0
20 Nb8 0
21 Ndf6 0