The Türkiye 2. Futbol Ligi 1998/99 was the 36th season of the second highest Turkish league in professional men's football. It was started on August 16, 1998 with the 1st matchday of the qualifying round and completed on May 16, 1999 with the 18th and final matchday of the relegation round.
In the 1998/99 season, the second highest division was played in three stages, as in the previous season. In the 1st stage, the league was played in a qualifying round (Turkish Kademe Grupları ) in five groups of ten teams each with home and away games. After the end of the 1st stage, the first two teams from all groups were included in a common group, the promotion round (Turkish Yükselme Grubu ), and played here for promotion to the 1st Lig . The remaining teams in the five groups of the qualifying round played in an unchanged group constellation now in a relegation round (Turkish Düşme Grupları ) against relegation to the 3rd Lig . Both the promotion round and the relegation round represented the 2nd stage and were played with two legs.
The teams in the first two places of the promotion round rose directly to the 1st Lig and the last two teams of all groups in the relegation round relegated to the 3rd Lig. While the points from the qualifying round were not taken into the promotion round, they were counted unchanged in the relegation round. The 3rd stage was carried out in the form of a play-off round. The teams ranked from three to five and all the promotion round group winners of all descent groups should in the knockout system play out the third and final intermediates.
The first stage began with the start of the season on August 16, 1996 and ended with the winter break on December 13, 1998. The following second stage then started on January 16, 1998 and ended on May 16, 1999. The third and last stage in which the play-offs were played was played from May 24, 1999 to May 30, 1999.
Vanspor finished the season as a champion and thus managed the direct return to the top Turkish league. Denizlispor occupied second place in the table and also rose directly to the 1st Lig. Thus, after a three-year absence, Denizlispor took part again in the competition of the 1st Lig. About the play-off victory Göztepe Izmir achieved participation in the 1st Lig and thus managed to participate in the 1st Lig after 17 years. In the play-off final, the club sat down with a 1-0 win against Çaykur Rizespor through. Relegated to the end of the season were Adana Demirspor and Kilimli Belediyespor from the group 1, Petrol Ofisi SK and Soma Linyitspor from the group 2, Zonguldakspor and Edirnespor from the group 3, Erzincanspor and Gümüşhane Doğanspor from Group 4 and Ankara Demirspor and Fırat University SK from of group 5.
Yeni Yozgatspor changed its name to Yimpaş Yozgatspor after the entry of the supermarket chain Yimpaş . In addition, the Ankara Büyükşehir Belediye Spor Kulübü club , Ankara BB for short , changed its name to Büyükşehir Belediye Ankaraspor Kulübü , BB Ankaraspor for short .
With this victory, Göztepe was promoted to the 1st league.
List of goalscorers
The Turkish Football Association (TFF) kept separate goalscorer lists for all five groups of the 2nd Lig , but determined the top scorer at the end of the season from a single combined goalscorer list.