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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 Kf7 0
3 a5 0
4 Ba6 0
5 Na6 0
6 a6 0
7 Nc6 0
8 Bb7 0
9 Bg7 0
10 Kd8 0
11 e5 0
12 e6 0
13 Rh7 0
14 d6 0
15 h5 0
16 f5 0