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

Book: ∞ / 0

# move proof disproof
1 e6 0
2 a5 0
3 Bh6 0
4 Ke6 0
5 Nc6 0
6 Nh6 0
7 a6 0
8 Nf6 0
9 c5 0
10 Kc6 0
11 Kd6 0
12 Ke8 0
13 Na6 0
14 Qe8 0
15 Bb7 0
16 c6 0
17 Ba6 0
18 e5 0
19 Bg7 0