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

Book: ∞ / 0

# move proof disproof
1 g5 0
2 Nc6 0
3 f5 0
4 Ba6 0
5 Nf6 0
6 e6 0
7 Ke8 0
8 Kd8 0
9 Kc7 0
10 Ke6 0
11 Kd6 0
12 g6 0
13 f6 0
14 Kc6 0
15 Bb7 0
16 Nb5 0
17 Nh6 0
18 Rb8 0
19 e5 0