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

Book: ∞ / 0

# move proof disproof
1 Bh3 0
2 Ba6 0
3 e5 0
4 Bg4 0
5 Na6 0
6 a4 0
7 e6 0
8 Nh6 0
9 Bd7 0
10 h5 0
11 Nd7 0
12 Bf5 0
13 Bb7 0
14 Nf6 0
15 h6 0
16 Be6 0
17 Nc6 0
18 Ra6 0
19 Ra7 0
20 g4 0
21 d5 0