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

Book: ∞ / 0

# move proof disproof
1 Na6 0
2 a4 0
3 h6 0
4 c5 0
5 Bb7 0
6 Ba6 0
7 Nc6 0
8 Ke6 0
9 Kd6 0
10 Ke7 0
11 Ra7 0
12 Ra6 0
13 h5 0
14 c6 0
15 Kc6 0
16 Ke8 0
17 Kd8 0