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

Book: ∞ / 0

# move proof disproof
1 Rhf8 0
2 c6 0
3 a6 0
4 e5 0
5 c5 0
6 a5 0
7 e6 0
8 Rcf8 0
9 Rb8 0
10 Ng5 0
11 g5 0
12 g6 0
13 Rhe8 0
14 Rhg8 0
15 Ra8 0
16 Rce8 0
17 Rcg8 0
18 Nf8 0
19 Rcd8 0
20 Rhd8 0
21 Nf6 0
22 h3 0