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

Book: ∞ / 0

# move proof disproof
1 Ra6 0
2 c5 0
3 c6 0
4 Ne7 0
5 Nf6 0
6 Na6 0
7 Ra7 0
8 Nc6 0
9 Ke8 0
10 Kd8 0
11 Ke7 0
12 Kd6 0
13 Kc6 0
14 Ke6 0
15 Ba6 0
16 Nh6 0
17 Bb7 0