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

Book: ∞ / 0

# move proof disproof
1 g4 0
2 Rb8 0
3 c5 0
4 Be6 0
5 Bg7 0
6 a5 0
7 Ba6 0
8 e5 0
9 Bd7 0
10 Bh3 0
11 a6 0
12 Bg4 0
13 Bf5 0
14 Nf7 0
15 Ng8 0
16 Ng4 0
17 e6 0
18 Bb7 0
19 Nf5 0
20 Rg8 0