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

Book: ∞ / 0

# move proof disproof
1 g4 0
2 Ndf6 0
3 Nc5 0
4 Ne5 0
5 a5 0
6 e5 0
7 Bb7 0
8 e6 0
9 a6 0
10 Rh7 0
11 Ba6 0
12 h5 0
13 c5 0
14 Ngf6 0
15 Rb8 0
16 Nb8 0
17 Bg7 0
18 Nb6 0
19 Qe8 0
20 c6 0