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

Book: ∞ / 0

# move proof disproof
1 Ndf6 0
2 f6 0
3 e5 0
4 Be7 0
5 Nh6 0
6 Ngf6 0
7 h6 0
8 a6 0
9 g6 0
10 Nb6 0
11 Ke7 0
12 Ne7 0
13 h5 0
14 Bb7 0
15 f5 0
16 Ne5 0
17 Nb8 0
18 Kd8 0
19 Ba6 0
20 a5 0
21 Rb8 0
22 Bd6 0
23 g5 0