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

Book: ∞ / 0

# move proof disproof
1 Ng8 0
2 Rg7 0
3 Ba6 0
4 Bb7 0
5 Rh8 0
6 f6 0
7 c5 0
8 Nc6 0
9 Ke6 0
10 a5 0
11 Kd8 0
12 Na6 0
13 Ng4 0
14 Kc6 0
15 Nf5 0
16 Kd6 0
17 c6 0
18 a6 0
19 Ke8 0
20 f5 0
21 Ke7 0