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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 h6 0
3 a5 0
4 Nh6 0
5 Qc7 0
6 Kf7 0
7 g6 0
8 Bb7 0
9 g5 0
10 b5 0
11 c3 0
12 e5 0
13 e6 0
14 Na6 0
15 d5 0
16 Ba6 0
17 f5 0
18 d6 0
19 h5 0
20 Nc6 0