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

Book: ∞ / 0

# move proof disproof
1 Nb6 0
2 Bg7 0
3 f5 0
4 Ne5 0
5 Ngf6 0
6 Rb8 0
7 e5 0
8 a6 0
9 a5 0
10 Nb8 0
11 e6 0
12 Ndf6 0
13 Kc7 0
14 Ba6 0
15 Ke8 0
16 Bb7 0
17 f6 0
18 g4 0
19 Nh6 0
20 Bh6 0