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 g6 0
4 f6 0
5 Ba6 0
6 Nb8 0
7 Rb8 0
8 Ra7 0
9 Ngf6 0
10 e6 0
11 Ndf6 0
12 Ne5 0
13 h6 0
14 Nc5 0
15 Bb7 0
16 e5 0
17 f5 0
18 g5 0
19 Nh6 0
20 h5 0
21 Kd8 0
22 Ra6 0