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

Book: ∞ / 0

# move proof disproof
1 e5 0
2 e6 0
3 Kd8 0
4 f6 0
5 Nf6 0
6 Na6 0
7 Nd7 0
8 Bh6 0
9 a5 0
10 f5 0
11 a6 0
12 g4 0
13 Bg7 0
14 Kd7 0
15 Nh6 0