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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 e4 0
3 a5 0
4 f5 0
5 Kd5 0
6 Kd7 0
7 Bb7 0
8 Kf5 0
9 Ke7 0
10 Kd6 0
11 Kf6 0
12 Na6 0
13 Nd7 0
14 Bd7 0
15 a6 0
16 f6 0
17 Ba6 0