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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 a4 0
3 h6 0
4 Na6 0
5 a6 0
6 g5 0
7 e5 0
8 Nc6 0
9 e6 0
10 Kf7 0
11 c6 0
12 g6 0
13 Nh6 0
14 Nf6 0
15 d6 0
16 Ba6 0
17 Bb7 0
18 d5 0
19 h5 0