Battle of Katipunan

Battle of Katipunan refers to the school rivalry between Ateneo de Manila University and the University of the Philippines (UP) began during games and meets that preceded the establishing of the National Collegiate Athletic Association of the Philippines (NCAA), or which both schools were founding members, and continues in the University Athletic Association of the Philippines (UAAP) where both universities compete. After competing in the NCAA for several years, UP left the NCAA to co-found the UAAP. Ateneo joined the UAAP in 1978.

As the main campuses of both schools are located along Katipunan Avenue in Quezon City, games between Ateneo and UP are referred to as the "Battle of Katipunan".

The Ateneo's teams are called the Ateneo Blue Eagles and the UP teams are called the UP Fighting Maroons.

History
Friendly basketball games between Ateneo and UP were held in the 1920s. The games saw the introduction of organized cheerleading in the Philippines by Ateneo to boost their teams. In 1924, both schools co-founded the NCAA. UP left the NCAA in 1938 and co-founded the UAAP. Ateneo left the NCAA in 1978 due to violence in games, and joined the UAAP. Ateneo–UP basketball games were originally held in Intramuros and was the original "Battle of Intramuros." Presently, the term refers to NCAA games among Letran, Lyceum and Mapua.

Basketball
Both schools have enjoyed success in basketball in both the NCAA and UAAP. In terms of total collegiate and high school basketball titles won in the NCAA and UAAP, Ateneo leads UP, 58–18. In men's basketball, Ateneo has a total of 26 championship titles whereas UP has seven. The Blue Eagles have 14 NCAA titles and 12 UAAP titles while the Fighting Maroons have four NCAA titles and three UAAP titles. In juniors' basketball, Ateneo has 11 NCAA titles and 19 UAAP titles, for a total of 30, whereas UP has three NCAA titles and one UAAP title, for four in total. In women's basketball, both schools have only won titles in the UAAP as the NCAA does not have a women's basketball tournament, where UP leads Ateneo, 7–2.

The Ateneo Blue Eagles and the UP Fighting Maroons have met in the championship of the UAAP three times. Ateneo won in Season 81 in 2018, and in Season 85 held in 2022,  whereas UP won in Season 84 in 2022. Since 2002, Ateneo leads UP 40–11 in head-to-head matches.

In the juniors' division, the UP Junior Fighting Maroons defeated the seeded Ateneo Blue Eaglets in 2002.

Final Four era

 * Notes

Final Four Rankings
For comparison, these are the elimination round rankings of these two teams since the Final Four format was introduced.

Football
Ateneo leads UP in terms of total championships won, 19–8. Ateneo has a total of six NCAA men's titles, three NCAA boys' titles, and 10 UAAP men's titles, whereas UP has seven UAAP men's titles and one UAAP women's title. Ateneo and UP have faced off in the finals of the UAAP men's football championship twice, with each school prevailing once.

Volleyball
Ateneo leads UP in terms of total championships won, 15–12. Ateneo has two NCAA men's titles, one NCAA women's title, and six NCAA boys' titles, as well as three UAAP men's titles and three UAAP women's titles. UP has four UAAP men's titles, and eight UAAP women's titles.