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

Book: ∞ / 0

# move proof disproof
1 g5 0
2 a5 0
3 d6 0
4 d5 0
5 f5 0
6 e5 0
7 e6 0
8 a6 0
9 Na6 0
10 Nc6 0
11 f6 0
12 Rh8 0
13 g6 0
14 Ng4 0
15 Nf5 0