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

Book: ∞ / 0

# move proof disproof
1 h5 0
2 f5 0
3 Nh6 0
4 Ngf6 0
5 Ne5 0
6 Nb8 0
7 Nb6 0
8 g4 0
9 a5 0
10 Ndf6 0
11 Bb7 0
12 Rb8 0
13 e5 0
14 e6 0
15 Bh6 0
16 f6 0
17 a6 0
18 h6 0
19 Ba6 0
20 Bg7 0