Feb 3 (Reuters) - Zagreb Indoors men's singles quarter-final results on Friday (prefix denotes seeding, * new result). * 6-Marcos Baghdatis (Cyprus) beat 4-Ivan Dodig (Croatia) 6-4 7-5 3-Mikhail Youzhny (Russia) beat 8-Ivo Karlovic (Croatia) 7-6(10) 3-6 7-6(6) Michael Berrer (Germany) beat Juergen Melzer (Austria) 5-7 6-4 6-4 Lukas Lacko (Slovakia) beat 7-Robin Haase (Netherlands) 6-4 6-4 (Compiled by Infostrada Sports; editing by Tom Pilcher)