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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 Nh6 0
3 e5 0
4 Ba6 0
5 h4 0
6 Rb8 0
7 g6 0
8 Kf8 0
9 Kd8 0
10 Kf7 0
11 Ke7 0
12 Rh6 0
13 Rh7 0
14 Ne7 0
15 d6 0
16 g5 0
17 a6 0
18 a5 0
19 d5 0
20 Bb7 0