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

Book: ∞ / 0

# move proof disproof
1 h4 0
2 Kd6 0
3 Ke8 0
4 Bh6 0
5 Qe8 0
6 a5 0
7 Nf6 0
8 a6 0
9 Bb7 0
10 Kc6 0
11 c6 0
12 Nh6 0
13 Na6 0
14 Nc6 0
15 e5 0
16 Ba6 0
17 Bg7 0
18 c5 0