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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 f6 0
3 f5 0
4 Rb7 0
5 g6 0
6 g5 0
7 Nf5 0
8 Rc7 0
9 Nd5 0
10 Nh6 0
11 a5 0
12 Ng6 0
13 Ra8 0
14 Nc6 0
15 Nc8 0
16 Rd7 0