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

Book: ∞ / 0

# move proof disproof
1 Ng8 0
2 c6 0
3 Ng4 0
4 a5 0
5 e6 0
6 Na6 0
7 Nc6 0
8 Ke8 0
9 a6 0
10 Nf7 0
11 Kd8 0
12 Kc6 0
13 Kd6 0
14 Ba6 0
15 Nf5 0
16 Bg7 0
17 Ke6 0
18 c5 0
19 Bb7 0