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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 Nc1 0
3 Na1 0
4 Nd2 0
5 Ba6 0
6 Na5 0
7 Nd4 0
8 a6 0
9 Rb8 0
10 h5 0
11 Bb7 0
12 Nc5 0
13 d6 0
14 d5 0