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

Book: ∞ / 0

# move proof disproof
1 Qa5 0
2 Qb6 0
3 Qc7 0
4 e4 0
5 Rg8 0
6 c5 0
7 a5 0
8 Bb7 0
9 Bg7 0
10 Kf7 0
11 h5 0
12 d5 0
13 d6 0
14 e6 0