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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 Bb7 0
3 Na6 0
4 Nc6 0
5 e6 0
6 Ba6 0
7 Bg7 0
8 Ke6 0
9 Kd8 0
10 Ke8 0
11 e5 0
12 Kd6 0
13 Kc6 0
14 a6 0
15 c6 0
16 Rh7 0
17 a5 0
18 Rg8 0