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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 b5 0
3 Bb7 0
4 d6 0
5 Nc6 0
6 Ke6 0
7 Kf6 0
8 h5 0
9 Na6 0
10 g6 0
11 Ke8 0
12 Rh7 0
13 Kg6 0
14 e5 0
15 d5 0
16 g5 0
17 Ba6 0
18 e6 0