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

Book: ∞ / 0

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