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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 d6 0
3 Ng8 0
4 e6 0
5 Nf5 0
6 f5 0
7 d5 0
8 a6 0
9 b6 0
10 f6 0
11 g6 0
12 g5 0
13 Rg8 0
14 h4 0
15 Ng4 0
16 e5 0
17 Rh7 0
18 Nc6 0
19 Na6 0