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

Book: ∞ / 0

# move proof disproof
1 Nf5 0
2 Nac6 0
3 e4 0
4 Nac8 0
5 Nb5 0
6 Nd5 0
7 Nec8 0
8 Ng8 0
9 Rd8 0
10 f5 0
11 Ng6 0
12 Re8 0
13 g5 0
14 Nec6 0
15 f6 0
16 g6 0
17 Rb8 0
18 Rc8 0