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

Book: ∞ / 0

# move proof disproof
1 Nc2 0
2 Re8 0
3 Rd8 0
4 Ng8 0
5 Rb8 0
6 Ng6 0
7 Rg8 0
8 Ba6 0
9 d6 0
10 a6 0
11 Rf8 0
12 Bb7 0
13 Nd5 0
14 Nc6 0
15 Nb3 0
16 Nf5 0
17 h5 0
18 d5 0