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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 a6 0
3 Ng6 0
4 Nf5 0
5 d6 0
6 Nd5 0
7 Nc6 0
8 Rb8 0
9 Ng8 0
10 Rd8 0
11 Re8 0
12 Rg8 0
13 h5 0
14 Rf8 0
15 Ba6 0
16 Bb7 0