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

Book: ∞ / 0

# move proof disproof
1 Nc6 0
2 f5 0
3 a6 0
4 Bb7 0
5 e6 0
6 Ke6 0
7 a5 0
8 g6 0
9 Kc6 0
10 Kd6 0
11 Kc7 0
12 Kd8 0
13 Ke8 0
14 e5 0
15 g5 0
16 Na6 0
17 Ba6 0
18 Nh6 0