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

Book: ∞ / 0

# move proof disproof
1 e4 0
2 b3 0
3 Bb7 0
4 e6 0
5 Ke8 0
6 Kc7 0
7 Kc6 0
8 Qb6 0
9 Ke6 0
10 Ba6 0
11 Na6 0
12 Qe8 0
13 Nc6 0
14 h5 0
15 h6 0
16 Qa5 0
17 Qc7 0
18 Kd6 0
19 Nh6 0
20 Nf6 0
21 Qf8 0