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

Book: ∞ / 0

# move proof disproof
1 h6 0
2 Nh6 0
3 Ba6 0
4 d5 0
5 d6 0
6 Bb7 0
7 Nf6 0
8 e5 0
9 g5 0
10 a6 0
11 g6 0
12 Kf7 0
13 Kd8 0
14 h5 0
15 e6 0
16 Rb8 0
17 a5 0