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

Book: ∞ / 0

# move proof disproof
1 Ra6 0
2 Ra7 0
3 d6 0
4 g6 0
5 g5 0
6 Ne7 0
7 Nh6 0
8 h6 0
9 Nf6 0
10 Bb7 0
11 Ba6 0
12 d5 0
13 Rb8 0