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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 Rb8 0
3 Nh6 0
4 Kg7 0
5 Ke8 0
6 a6 0
7 Kf6 0
8 h5 0
9 Bg7 0
10 Ke6 0
11 d6 0
12 Nf6 0
13 Bh6 0
14 e6 0
15 Kg6 0
16 d5 0
17 e5 0
18 Bb7 0
19 Ba6 0
20 h6 0