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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 e5 0
3 a5 0
4 f6 0
5 f5 0
6 a6 0
7 Qd8 0
8 e6 0
9 Ke6 0
10 Nh6 0
11 Qf8 0
12 c5 0
13 Na6 0
14 Ba6 0
15 Bb7 0
16 Kd8 0
17 Kc7 0
18 Kd6 0