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

Book: ∞ / 0

# move proof disproof
1 f5 0
2 a6 0
3 Nh6 0
4 Ba6 0
5 Kf7 0
6 g5 0
7 g6 0
8 e6 0
9 d6 0
10 e5 0
11 a5 0
12 c5 0
13 Bb7 0
14 d5 0
15 c6 0
16 Nc6 0
17 Na6 0