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

Book: ∞ / 0

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