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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 g5 0
3 g6 0
4 b4 0
5 Kd8 0
6 Kf7 0
7 Nc6 0
8 Na6 0
9 b6 0
10 Nh6 0
11 a6 0
12 e6 0
13 e5 0
14 h6 0
15 d6 0
16 f5 0
17 h5 0