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

Book: ∞ / 0

# move proof disproof
1 e6 0
2 Ne5 0
3 Rb8 0
4 f6 0
5 e5 0
6 g6 0
7 Ba6 0
8 Nb8 0
9 Nb6 0
10 Nf6 0
11 Nc5 0
12 g5 0
13 Rh8 0
14 Bb7 0
15 f5 0
16 c5 0
17 a5 0
18 c6 0
19 a6 0