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

Book: ∞ / 0

# move proof disproof
1 g3 0
2 Ke8 0
3 Kd8 0
4 Kc7 0
5 Kd6 0
6 a6 0
7 c5 0
8 a5 0
9 Na6 0
10 Bh6 0
11 Ba6 0
12 Bg7 0
13 Bb7 0
14 e6 0
15 e5 0
16 Nf6 0
17 Nh6 0
18 Ke6 0