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 Bh6 0
4 f5 0
5 d5 0
6 Ba6 0
7 e5 0
8 a6 0
9 d6 0
10 Nf6 0
11 Kd8 0
12 a5 0
13 h5 0
14 Bg7 0
15 Bb7 0
16 Nc6 0
17 Na6 0
18 e6 0
19 f6 0