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

Book: ∞ / 0

# move proof disproof
1 Rg8 0
2 Rf8 0
3 Ng7 0
4 a6 0
5 a5 0
6 Nf6 0
7 Kc6 0
8 Kd6 0
9 h6 0
10 Ba6 0
11 c5 0
12 Na6 0
13 Nc6 0
14 c6 0
15 h5 0
16 Nd6 0
17 Bb7 0
18 Ke7 0
19 Kd8 0
20 Ke6 0