The 2018–19 Országos Bajnokság I (known as the e·on férfi OB I osztályú Országos Bajnokság for sponsorship reasons) was the 113th season of the Országos Bajnokság I, Hungary's premier Water polo league. Team information The following 16 clubs compete in the OB I during the 2018–19 season: Head coaches Regular season Group A Schedule and results In the table below the home teams are listed on the left and the away teams along the top. Group B Schedule and results In the table below the home teams are listed on the left and the away teams along the top. Second round Championship round The top four teams, from two groups advance from the regular season. Teams start the Championship round with their points from the Regular season. Schedule and results Key numbers for pairing determination (number marks position after 14 games) In the table below the home teams are listed on the left and the away teams along the top. Relegation round The bottom four teams, from two groups advance from the regular season. Teams start the Relegation round with their points from the Regular season. Schedule and results In the table below the home teams are listed on the left and the away teams along the top. Final round 1st – 4th Placement matches Semi-finals Game 1 FTC-Telekom Waterpolo won the series 9–0 with points ratio, and advanced to the Finals. A-HÍD OSC Újbuda won the series 9–0 with points ratio, and advanced to the Finals. Finals Higher ranked team hosted Game 1 and Game 3 plus Game 5 if necessary. The lower ranked hosted Game 2 plus Game 4 if necessary. FTC-Telekom Waterpolo won the Final series 3–0. Third place Higher ranked team hosted Game 1 plus Game 3 if necessary. The lower ranked hosted Game 2. Szolnoki Dózsa won the Third place. 5th – 8th Placement matches Fifth place game (European competition play-off) Higher ranked team hosted Game 1 plus Game 3 if necessary. The lower ranked hosted Game 2. Seventh place game Higher ranked team hosted Game 1 plus Game 3 if necessary. The lower ranked hosted Game 2. 9th – 12th Placement matches Ninth place game Higher ranked team hosted Game 1 plus Game 3 if necessary. The lower ranked hosted Game 2. Eleventh place game Higher ranked team hosted Game 1 plus Game 3 if necessary. The lower ranked hosted Game 2. 13th –