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

Book: ∞ / 0

# move proof disproof
1 b6 0
2 d5 0
3 a5 0
4 h5 0
5 Nh6 0
6 c3 0
7 Nf6 0
8 d6 0
9 g6 0
10 b5 0
11 e5 0
12 e6 0
13 g4 0
14 h6 0
15 a6 0
16 Kf7 0
17 Kd8 0
18 Nc6 0
19 Na6 0