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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 e6 0
3 e5 0
4 Bg7 0
5 Ke6 0
6 Kc8 0
7 Kd8 0
8 Ke8 0
9 Na6 0
10 h5 0
11 f5 0
12 Nc6 0
13 c6 0
14 Kd6 0
15 Kc6 0