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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 Nh6 0
3 h6 0
4 h5 0
5 d5 0
6 a6 0
7 f6 0
8 Kc7 0
9 Ke8 0
10 g6 0
11 g5 0
12 f5 0
13 Ba6 0
14 e6 0
15 a5 0
16 d6 0
17 Nc6 0
18 Na6 0
19 e5 0
20 Bb7 0