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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 Rc7 0
3 Nf6 0
4 Bb7 0
5 h5 0
6 Nh6 0
7 g5 0
8 Rb7 0
9 e5 0
10 d6 0
11 g6 0
12 h6 0
13 Ra8 0
14 Ne7 0
15 a5 0