Career
Obajdin played once for the Czechoslovakian Republic national football team Until age of 15, he played for the youth team of his city"s team, TJ Bachelor of Science Poděbrady. Then he continued to play in 1984 for Sparta Prague youth team
During the 1991-1992 season, he played for Škoda Pilsen, however in the middle of the season he was transferred to Dukla Prague, for which he played his five first league matches.
The following season he began playing for Saskatchewan Poldi Kladno in the Czechoslovakian 2. Liga, however he was transferred soon to Slovan Liberec, and helped them to promotion to the Czechoslovakian Liga.
In Liberec, he performed well, scoring 11 goals in 28 matches in 1993-1994 and 10 goals in 14 matches in 1994-1995. This caused the interest of Eintracht Frankfurt and they signed him at the middle of the 1994-1995 season.
In the Bundesliga he played only three games due to injury problems.
He returned again to play for his previous team, Slovan Liberec, for the first half year of the 1995-1996 season and transferred in January 1996 to Sparta Prague. There, Obajdin remained five years and scored 26 goals in 146 games and winning five consecutive times the Czechoslovakian Championship. Although he was in a good form, he was reserve during the 2001-2002 season with the new trainer Jaroslav and changed team in January 2002 by being transferred to the Cypriot team Omonia Nicosia, where he played for the rest of the season without success.
After half a year, Obajdin went back to Prague, to play for his previous team, but did not manage to secure a place in the squad and was loaned to Bohemians Prague where he did not score in ten games.
Back in Sparta, he was used only in the second-class B-team When Obajdin"s contract ran out for Sparta in 2004, the nearly 34-year-old player was in the mean time without club
He was free agent for half a year, but signed for Slovan Varnsdorf in spring 2005. At the beginning of 2006, he signed for the Polish team Wisła Płock, where he played until January 2007, when he was released.
He returned to Varnsdorf a few months later.