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

Book: ∞ / 0

# move proof disproof
1 h5 0
2 Bb7 0
3 Ke6 0
4 Ba6 0
5 Kc6 0
6 Ke8 0
7 Kd6 0
8 Bg7 0
9 Qe8 0
10 a6 0
11 e6 0
12 c6 0
13 Na6 0
14 Nc6 0
15 f5 0
16 f6 0
17 c5 0
18 Nf6 0
19 a5 0