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

Book: ∞ / 0

# move proof disproof
1 Nb6 0
2 Ne5 0
3 Ngf6 0
4 Nc5 0
5 Nb8 0
6 f6 0
7 Ba6 0
8 c6 0
9 a6 0
10 g6 0
11 g5 0
12 e6 0
13 e5 0
14 Rb8 0
15 Ndf6 0
16 c5 0
17 Bb7 0
18 f5 0
19 Nh6 0
20 a5 0