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

Book: ∞ / 0

# move proof disproof
1 g4 0
2 Ra7 0
3 c5 0
4 f5 0
5 Qe8 0
6 Kd6 0
7 Nc6 0
8 c6 0
9 Ke6 0
10 Ke8 0
11 f6 0
12 e5 0
13 e6 0
14 Bb7 0
15 Bh6 0
16 Bg7 0
17 a5 0
18 Nf6 0
19 Nh6 0
20 Kc6 0