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

Book: ∞ / 0

# move proof disproof
1 e5 0
2 e6 0
3 d5 0
4 Qb6 0
5 Qc7 0
6 Nh6 0
7 Nf6 0
8 g5 0
9 g6 0
10 Rb8 0
11 a5 0
12 Qa5 0
13 Ra7 0
14 h5 0
15 Qe8 0
16 h6 0
17 d6 0
18 Bb7 0