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

Book: ∞ / 0

# move proof disproof
1 h6 0
2 Nf6 0
3 d5 0
4 Nh6 0
5 Rc7 0
6 e5 0
7 Rb7 0
8 Ra8 0
9 e6 0
10 Bb7 0
11 g5 0
12 h5 0
13 d6 0
14 g6 0