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

Book: ∞ / 0

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