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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Ba6 0
3 Nf6 0
4 Nh6 0
5 h5 0
6 d5 0
7 d6 0
8 Ne7 0
9 Ke7 0
10 Kf7 0
11 Kd8 0
12 Kf8 0
13 h6 0
14 Rb8 0
15 Bb7 0
16 e5 0
17 g4 0