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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 e6 0
3 Bg7 0
4 d6 0
5 Kg7 0
6 Kf8 0
7 a6 0
8 Ba6 0
9 Kg6 0
10 Ke8 0
11 d5 0
12 e5 0
13 Rb8 0
14 Kf6 0
15 Ke6 0
16 Bf8 0
17 Bb7 0