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

Book: ∞ / 0

# move proof disproof
1 f5 0
2 Rb8 0
3 f6 0
4 Ngf6 0
5 a5 0
6 Ne5 0
7 Nb6 0
8 Ndf6 0
9 Bb7 0
10 Nh6 0
11 Nb8 0
12 g5 0
13 h5 0
14 g6 0
15 Kd8 0
16 e5 0
17 Ra7 0
18 e6 0
19 h6 0