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

Book: ∞ / 0

# move proof disproof
1 e5 0
2 d5 0
3 g4 0
4 d6 0
5 Kb6 0
6 Nc6 0
7 Bh6 0
8 Bg7 0
9 e6 0
10 Nh6 0
11 Kd6 0
12 Kd8 0
13 Kc6 0
14 Na6 0
15 Nf6 0
16 a6 0
17 b5 0
18 b6 0