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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 Bh6 0
3 Kd8 0
4 a6 0
5 f5 0
6 e6 0
7 Na6 0
8 Bb7 0
9 d6 0
10 Bg7 0
11 g5 0
12 h6 0
13 Nc6 0
14 Nh6 0
15 h5 0
16 Ba6 0
17 Nf6 0
18 a5 0
19 e5 0
20 f6 0