Croatia's Ivo Karlovic and Russia's Igor Andreev have won first-round matches at the Serbia Open. The fifth-seeded Karlovic defeated Serbian wild card Dusan Lajovic 7-6 (4), 6-4 Monday. Andreev eased past Slovenia's Blaz Kavcic, 6-3, 6-2. Also, Florent Serra of France defeated Karol Beck of Slovakia 6-3, 6-3, and Evgeny Korolev of Kazakhstan routed Michael Russell of the United States... More...