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

Book: ∞ / 0

# move proof disproof
1 Nh6 0
2 Ne7 0
3 Rc8 0
4 Nc6 0
5 Nc8 0
6 f5 0
7 Bb4 0
8 Nb5 0
9 Rd8 0
10 Bc5 0
11 Nf6 0
12 g6 0
13 Bd6 0
14 Ba3 0
15 g5 0
16 e5 0
17 f6 0
18 Be7 0
19 Rb8 0
20 Re8 0