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 g5 0
4 e5 0
5 Ba6 0
6 h6 0
7 d5 0
8 Ke8 0
9 Kg7 0
10 Nf6 0
11 Bg7 0
12 Rb8 0
13 d6 0
14 e6 0
15 h5 0
16 Bh6 0
17 Kf6 0
18 Ke6 0
19 Bb7 0