76ers–Celtics rivalry |
| First meeting | November 30, 1949
Nationals 87, Celtics 71 |
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| Latest meeting | March 6, 2025
76ers 105, Celtics 123 |
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| Meetings total | 587 |
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| All-time series | 339–248 (BOS) |
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| Regular season series | 273–198 (BOS) |
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| Postseason results | 66–50 (BOS) |
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| Longest win streak | BOS W20 |
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| Current win streak | BOS W3 |
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- 1953 Eastern Division Semifinals: Celtics won, 2–0
- 1954 Eastern Division Finals: Nationals won, 2–0
- 1955 Eastern Division Finals: Nationals won, 3–1
- 1956 Eastern Division Semifinals: Nationals won, 2–1
- 1957 Eastern Division Finals: Celtics won, 3–0
- 1959 Eastern Division Finals: Celtics won, 4–3
- 1961 Eastern Division Finals: Celtics won, 4–1
- 1965 Eastern Division Finals: Celtics won, 4–3
- 1966 Eastern Division Finals: Celtics won, 4–1
- 1967 Eastern Division Finals: 76ers won, 4–1
- 1968 Eastern Division Finals: Celtics won, 4–3
- 1969 Eastern Division Semifinals: Celtics won, 4–1
- 1977 Eastern Conference Semifinals: 76ers won, 4–3
- 1980 Eastern Conference Finals: 76ers won, 4–1
- 1981 Eastern Conference Finals: Celtics won, 4–3
- 1982 Eastern Conference Finals: 76ers won, 4–3
- 1985 Eastern Conference Finals: Celtics won, 4–1
- 2002 Eastern Conference First Round: Celtics won, 3–2
- 2012 Eastern Conference Semifinals: Celtics won, 4–3
- 2018 Eastern Conference Semifinals: Celtics won, 4–1
- 2020 Eastern Conference First Round: Celtics won, 4–0
- 2023 Eastern Conference Semifinals: Celtics won, 4–3
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The 76ers–Celtics rivalry is a National Basketball Association (NBA) rivalry between the Philadelphia 76ers and the Boston Celtics. The two teams have the most meetings in the NBA playoffs, playing each other in 22 series (and the 1954 Eastern Division Round Robin), with the Celtics winning 15 of them. The 76ers are considered to be the Celtics' second biggest rival, behind only the Los Angeles Lakers.
