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

Book: ∞ / 0

# move proof disproof
1 Na6 0
2 f6 0
3 Ke8 0
4 Bb7 0
5 a6 0
6 Bg7 0
7 Nc6 0
8 Kc7 0
9 d6 0
10 h5 0
11 Ba6 0
12 d5 0
13 f5 0
14 e5 0
15 e6 0