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

Book: ∞ / 0

# move proof disproof
1 e6 0
2 Bg7 0
3 Kd8 0
4 Ke6 0
5 e5 0
6 a5 0
7 Ke8 0
8 Kc8 0
9 Kd6 0
10 Na6 0
11 Kc7 0
12 a6 0
13 f6 0
14 h5 0
15 f5 0