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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 a5 0
3 Na6 0
4 a6 0
5 d5 0
6 d6 0
7 f6 0
8 Nh6 0
9 e6 0
10 Nc6 0
11 h5 0
12 Kd8 0
13 g4 0
14 f5 0
15 Bh6 0
16 h6 0
17 e5 0
18 Ba6 0
19 Bg7 0
20 Bb7 0