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

Book: ∞ / 0

# move proof disproof
1 g5 0
2 Nf6 0
3 Bb7 0
4 g6 0
5 d6 0
6 d5 0
7 Ba6 0
8 h6 0
9 Kf7 0
10 a6 0
11 Kd8 0
12 Nh6 0
13 a5 0
14 h5 0
15 Rb8 0
16 e6 0
17 e5 0