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

Book: ∞ / 0

# move proof disproof
1 Qc7 0
2 f5 0
3 Qb6 0
4 e5 0
5 e6 0
6 a6 0
7 Na6 0
8 Nc6 0
9 Rh7 0
10 Qe8 0
11 Qf8 0
12 Ke6 0
13 a5 0
14 Bb7 0
15 Ba6 0
16 Nf6 0
17 f6 0
18 Qa5 0
19 Ke8 0
20 Kc7 0
21 Kd6 0
22 Kc6 0
23 h5 0