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

Book: ∞ / 0

# move proof disproof
1 Na6 0
2 Kc6 0
3 Kd6 0
4 Ke8 0
5 Kd8 0
6 Kc8 0
7 Kc7 0
8 Ke6 0
9 a5 0
10 Nc6 0
11 g6 0
12 f5 0
13 Nf6 0
14 Nh6 0
15 g5 0
16 a6 0
17 f6 0
18 e5 0
19 e6 0