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 a6 0
4 Kc7 0
5 Kd8 0
6 Ke8 0
7 Ke6 0
8 e6 0
9 Ba6 0
10 Kd6 0
11 Na6 0
12 a5 0
13 Nf6 0
14 Bg7 0
15 c5 0
16 f5 0
17 f6 0