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

Book: ∞ / 0

# move proof disproof
1 Nb7 0
2 a5 0
3 c5 0
4 Ke6 0
5 a6 0
6 Ba6 0
7 e5 0
8 Bb7 0
9 Ne6 0
10 Ke8 0
11 Kc7 0
12 Na6 0
13 g4 0
14 Nf7 0
15 Kd6 0
16 e6 0