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

Book: ∞ / 0

# move proof disproof
1 Qb6 0
2 d6 0
3 Qe7 0
4 d5 0
5 Re8 0
6 Rf8 0
7 Qg8 0
8 Qe8 0
9 Bb7 0
10 Qa5 0
11 Rb8 0
12 a6 0
13 Qf8 0
14 Rg8 0
15 Ba6 0
16 f5 0
17 Qc7 0
18 a5 0
19 g5 0