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

Book: ∞ / 0

# move proof disproof
1 g4 0
2 Ra8 0
3 Rb7 0
4 Rb6 0
5 Ba6 0
6 h6 0
7 d5 0
8 b4 0
9 Bb7 0
10 Ne7 0
11 h5 0
12 Nh6 0
13 d6 0
14 f5 0