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

Book: ∞ / 0

# move proof disproof
1 g4 0
2 Nf6 0
3 Bb7 0
4 e5 0
5 Ne7 0
6 Kd8 0
7 Bd7 0
8 h5 0
9 Kd7 0
10 Nd7 0
11 g6 0
12 c5 0
13 Nc6 0
14 Rh7 0
15 Ke7 0
16 Kf7 0
17 Kf8 0
18 c6 0
19 a5 0