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

Book: ∞ / 0

# move proof disproof
1 e5 0
2 a6 0
3 Ke6 0
4 f5 0
5 e6 0
6 c6 0
7 f6 0
8 Nc6 0
9 Na6 0
10 Ba6 0
11 Bb7 0
12 Kd6 0
13 Kc6 0
14 Kd8 0
15 Ke8 0
16 c5 0
17 a5 0