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

Book: ∞ / 0

# move proof disproof
1 h5 0
2 c5 0
3 f5 0
4 h6 0
5 g5 0
6 a6 0
7 c6 0
8 Nb8 0
9 Ne5 0
10 Nh6 0
11 Nc5 0
12 a5 0
13 Nb6 0
14 Bh6 0
15 Rb8 0
16 Ndf6 0
17 f6 0
18 Ngf6 0
19 Bb7 0
20 Bg7 0
21 e5 0
22 e6 0
23 Ba6 0