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

Book: ∞ / 0

# move proof disproof
1 Nb6 0
2 a4 0
3 h5 0
4 Ngf6 0
5 Nb8 0
6 f5 0
7 Ra6 0
8 Ra7 0
9 Nh6 0
10 Ne5 0
11 h6 0
12 e6 0
13 g5 0
14 Ba6 0
15 f6 0
16 Bb7 0
17 Bh6 0
18 Ndf6 0
19 e5 0
20 Rb8 0
21 Bg7 0