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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 Nf6 0
3 d6 0
4 Bg7 0
5 Ba6 0
6 e5 0
7 Nb3 0
8 e6 0
9 Bb7 0
10 a6 0
11 Rh7 0
12 h5 0
13 a5 0
14 Nc2 0
15 Rb8 0