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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Nh6 0
3 e5 0
4 Ba6 0
5 h5 0
6 Bg7 0
7 Ke8 0
8 Kg7 0
9 Kg6 0
10 Bh6 0
11 h6 0
12 d6 0
13 Nf6 0
14 d5 0
15 Bb7 0
16 Kf6 0
17 Ke6 0
18 e6 0
19 Rb8 0