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

Book: ∞ / 0

# move proof disproof
1 g6 0
2 g5 0
3 f5 0
4 h5 0
5 f6 0
6 Rb8 0
7 a5 0
8 Qe8 0
9 c5 0
10 Nc5 0
11 a6 0
12 c6 0
13 Rh8 0
14 Ba6 0
15 e6 0
16 Bb7 0
17 e5 0
18 Nf6 0
19 Nb8 0
20 Nb6 0
21 Ne5 0