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

Book: ∞ / 0

# move proof disproof
1 Qc7 0
2 Qa5 0
3 Qe8 0
4 Qb6 0
5 a6 0
6 e6 0
7 Ke6 0
8 g6 0
9 a5 0
10 Ba6 0
11 e5 0
12 Ke8 0
13 Kc7 0
14 Kd6 0
15 Nc6 0
16 Na6 0
17 Kc6 0
18 g4 0
19 Bb7 0