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

Book: ∞ / 0

# move proof disproof
1 Ra8 0
2 Rce8 0
3 Rcg8 0
4 Rhe8 0
5 h4 0
6 Rhg8 0
7 c6 0
8 a6 0
9 Rhd8 0
10 Rcd8 0
11 Rcf8 0
12 Rhf8 0
13 Rb8 0
14 c5 0
15 e6 0
16 a5 0
17 e5 0
18 Ng5 0
19 g6 0
20 g5 0
21 Nf8 0
22 Nf6 0