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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 a6 0
3 Na6 0
4 e5 0
5 Kd6 0
6 h6 0
7 Bb7 0
8 Ke6 0
9 Rg8 0
10 Bh6 0
11 Ke8 0
12 Kd8 0
13 Bg7 0
14 h5 0
15 Ba6 0
16 e6 0
17 Kc7 0