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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 f5 0
3 Ba6 0
4 Bb7 0
5 g6 0
6 Nh6 0
7 h5 0
8 g5 0
9 Na6 0
10 Nc6 0
11 Kd8 0
12 a4 0
13 h6 0
14 Kf7 0
15 e5 0
16 e6 0
17 d6 0