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

Book: ∞ / 0

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