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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 Bb7 0
3 d5 0
4 Bg7 0
5 a6 0
6 d6 0
7 e5 0
8 Ba6 0
9 Kg6 0
10 Nf6 0
11 Rb8 0
12 Bh6 0
13 Qd8 0
14 Ke6 0
15 Kf6 0
16 Kg7 0
17 h6 0
18 e6 0
19 Nh6 0
20 h5 0