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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 c5 0
3 a6 0
4 Nec6 0
5 d5 0
6 Na6 0
7 f5 0
8 Nbc6 0
9 Ng8 0
10 Nc8 0
11 Nd7 0
12 c6 0
13 h5 0
14 Nf5 0
15 Nd5 0
16 Ng6 0
17 f6 0
18 Bg7 0