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 e5 0
4 Nf6 0
5 Kf6 0
6 d6 0
7 h5 0
8 Bb7 0
9 h6 0
10 g5 0
11 Kf8 0
12 Ke8 0
13 Ke7 0
14 Rb8 0
15 Ne7 0
16 Nh6 0
17 g6 0
18 Kg6 0
19 d5 0