Here is a list of Grecicho's best fights. For a list of Grecicho's losses, refer to "Sergej Grecicho Losses".
On September 10, 2006 Sergej Grecicho faced off against Masahiro Oishi at age 20. He was coming in with a record of 2-1-1 (2), and Oishi was 37 years old and with a record of 14-9-6 (9). Grecicho stopped Masahiro Oishi via TKO.
On November 2, 2013 Sergej Grecicho faced off against Murad Zeinulabidov at age 28. He was coming in with a record of 17-5-1 (15), and Zeinulabidov was 23 years old and with a record of 7-0 (6). Grecicho stopped Murad Zeinulabidov via submission.