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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 e6 0
3 h5 0
4 a5 0
5 d5 0
6 h6 0
7 g6 0
8 Bb7 0
9 g5 0
10 Nh6 0
11 c5 0
12 d6 0
13 e4 0