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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Qh5 0
3 Qg6 0
4 Qd8 0
5 Bb7 0
6 g5 0
7 h6 0
8 Qe7 0
9 Qf7 0
10 Qf8 0
11 Rb8 0
12 d5 0
13 e5 0
14 Nf6 0
15 Ba6 0
16 g6 0
17 Ne7 0
18 h5 0
19 d6 0
20 Nh6 0