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

Book: ∞ / 0

# move proof disproof
1 Na6 0
2 a6 0
3 f5 0
4 Nf6 0
5 Bg7 0
6 a5 0
7 Nc6 0
8 Ke6 0
9 f6 0
10 g5 0
11 Ke8 0
12 Kd8 0
13 e5 0
14 Kc6 0
15 Kd6 0
16 Kc7 0
17 e6 0
18 Bb7 0
19 Bh6 0
20 Ba6 0
21 Nh6 0