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

Book: ∞ / 0

# move proof disproof
1 Qa5 0
2 f6 0
3 e5 0
4 a5 0
5 Qf8 0
6 Qe8 0
7 Nh6 0
8 Qc7 0
9 Qb6 0
10 Bb7 0
11 Nf6 0
12 f5 0
13 Na6 0
14 e6 0
15 c5 0
16 a6 0
17 Ke6 0
18 Kd6 0
19 Kc7 0
20 Ke8 0
21 Ba6 0