The Hungarian Tennis Championships (in Hungarian:Nemzeti Teniszbajnokság, Magyar Országos Teniszbajnokság or abbreviated to tenisz ob) also known as the Hungarian National Championships or the Hungarian Closed Championships is a professional tennis tournament played on outdoor clay courts. It is currently part of the official Tennis Calendar of Hungary of the Hungarian Tennis Association and is a gentlemen's and ladies' event.

This article uses bare URLs, which are uninformative and vulnerable to link rot. (September 2022)

It is the fourth oldest tennis tournament of the world, which is held annually since its establishment. The first championships entitled as the Hungary's Lawn Tennis Championships were arranged on June 16, 1894, in Balatonfüred by the Stefánia Yacht Club.^[1] It was a coeducated tournament thus the first "men"'s singles trophy was awarded to Austrian countess Paulina von Pálffy.^[2] The next year the women's roster was distinguished and the men's, women's doubles and in 1909 the mixed doubles were added.^[3] In 1899 the tournament moved to Budapest and was organized by the Budapest Lawn Tennis Club.^[4] In 1903 the first unofficial international competition was held and subsequently became a standalone championship.^[5] In 1907 the Hungarian Lawn Tennis Association was formed as a subsidiary of the Hungarian Athletics Club thus the latter's name was included as the Annual HAC Tennis Championships (later the governing body was shortened to Hungarian Tennis Association).^[4] The hard court came into use when the National Indoors Championships were distinguished in 1927 (fedett pályás ob).^[6] The same year red clay was introduced as a new surface beside the already existing grass courts.^[6] Traditionally the winner of the outdoors championships is considered the Hungarian (National) champion. In the beginning the tournament accepted foreign entries but after 1924 the Hungarian International Championships served as a diverse event while only Hungarian players could possibly go for the national title.^[7] After World War II the international branch went defunct and only the nationals were held. Thus this tournament did and does not qualify as an open on ATP standards and no points are awarded for the results. The location of the event is determined each year, which allows several clubs and cities to host it outside the capital Budapest including Pécs,^[8] Szeged^[9] and Hódmezővásárhely.^[10] The date also varies to fit the schedule of other events but to be suitable for open air playing thus it takes place between May and end of September.

Hungarian Champions^[62]

• Eternal Champions (honorary title): Béla von Kehrling, József Asbóth, István Gulyás
• Longest winning streaks: Béla von Kehrling (1912–1914 and 1920–1932, 16yrs^c ), István Gulyás (1957–1968, 12yrs)
• Triple consecutive title holders:Tibor Daniel (1896–1898), Béla von Kehrling (1912–1914), József Asbóth (1939–40,1942), István Gulyás (1957–1959), Balázs Taróczy (1973–1975), Attila Balázs (2008–2013) ^[30]

• Budapest International Championships (1903–1975) open international tournament.
• Hungarian International Championships (1903–1975) open international tournament.
• Hungary Davis Cup team

• ^f Merged with the international championship. The winner is considered the national champion.