# History of rugby union matches between Leinster and Connacht

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Connacht Rugby and Leinster Rugby are two Irish rugby union provincial teams that possess a rivalry that dates back to their IRFU Interprovincial Championship clashes during the amateur era. That rivalry has continued and even intensified since the emergence of the professional era in the late 1990s. Connacht and Leinster comprise two of the four Irish provincial teams competing in the Pro14 (formerly known as the Celtic League). As such, the two sides regularly face each other during the regular season, and occasionally during the knock-out rounds.
The rivalry has been heightened on several occasions due to certain games or events. Connacht and Leinster met in the 2016 Pro12 Grand Final, with Connacht winning 20–10, to claim their first Pro12 championship. Leinster has observed that the rivalry leads Connacht to raise their game when playing Leinster, leading to resentment among Leinster players when this causes them to lose matches they had expected to win. Connacht defeated Leinster 47–10 in 2017, and were so comfortable in their victory that they had a forward kick a conversion. Connacht and Leinster players have recognized the rivalry that exists between the two teams.
Below are the historical results of the Irish Rugby Football Union teams, Leinster and Connacht, as part of the IRFU Interprovincial Championship, and later the Celtic League, Pro12 and Pro14.

## Overall Summary of Games Since 1946

| Played | Won by Leinster | Won by Connacht | Drawn |
| 107 | 84 | 19 | 4 |

## Statistics

| Record | Connacht | Leinster |
| Longest winning streak | 2 (2015–2016) | 20 (1965–1985) |
| Largest points for |||
| Home | 47 (2017–18) | 56 (2021–22) |
| Away | 35 (2020–21) | 53 (1999–00) |
| Largest winning margin |||
| Home | 37 (47–10; 2017–18) | 47 (54–7; 2019–20) |
| Away | 11 (24–35; 2020–21) | 45 (8–53; 1999–00) |
| Largest aggregate score |||
| 76 (Leinster 56 Connacht 20; 2021–22) |||
| Lowest aggregate score |||
| 0 (Leinster 0 Connacht 0; 1960–61) |||

## Results between 1946 and 1995

| Season | Winner | Loser | Winner | Note(s) |
| 1946–47 | Leinster 5 | Connacht 5 | Draw (1) | |
| 1947–48 | Leinster 15 | Connacht 0 | Leinster (1) | |
| 1948–49 | Leinster 3 | Connacht 0 | Leinster (2) | |
| 1949–50 | Leinster 31 | Connacht 3 | Leinster (3) | |
| 1950–51 | Connacht 10 | Leinster 6 | Connacht (1) | |
| 1951–52 | Leinster 39 | Connacht 3 | Leinster (4) | |
| 1952–53 | Leinster 35 | Connacht 0 | Leinster (5) | |
| 1953–54 | Leinster 34 | Connacht 14 | Leinster (6) | |
| 1954–55 | Leinster 6 | Connacht 3 | Leinster (7) | |
| 1955–56 | Connacht 8 | Leinster 6 | Connacht (2) | |
| 1956–57 | Leinster 19 | Connacht 3 | Leinster (8) | |
| 1957–58 | Leinster 9 | Connacht 3 | Leinster (9) | |
| 1958–59 | Leinster 9 | Connacht 3 | Leinster (10) | |
| 1959–60 | Leinster 3 | Connacht 3 | Draw (2) | |
| 1960–61 | Leinster 0 | Connacht 0 | Draw (3) | Lowest scoring match in the history of this fixture |
| 1961–62 | Leinster 13 | Connacht 9 | Leinster (11) | |
| 1962–63 | Leinster 18 | Connacht 17 | Leinster (12) | |
| 1963–64 | Leinster 11 | Connacht 6 | Leinster (13) | |
| 1964–65 | Leinster 6 | Connacht 6 | Draw (4) | |
| 1965–66 | Leinster 13 | Connacht 6 | Leinster (14) | |
| 1966–67 | Leinster 26 | Connacht 3 | Leinster (15) | |
| 1967–68 | Leinster 24 | Connacht 11 | Leinster (16) | |
| 1968–69 | Leinster 15 | Connacht 6 | Leinster (17) | |
| 1969–70 | Leinster 26 | Connacht 6 | Leinster (18) | |
| 1970–71 | Leinster 11 | Connacht 3 | Leinster (19) | |
| 1971–72 | Leinster 12 | Connacht 6 | Leinster (20) | |
| 1972–73 | Leinster 13 | Connacht 0 | Leinster (21) | |
| 1973–74 | Leinster 20 | Connacht 13 | Leinster (22) | |
| 1974–75 | Leinster 12 | Connacht 3 | Leinster (23) | |
| 1975–76 | Leinster 7 | Connacht 0 | Leinster (24) | |
| 1976–77 | Leinster 21 | Connacht 7 | Leinster (25) | |
| 1977–78 | Leinster 30 | Connacht 9 | Leinster (26) | |
| 1978–79 | Leinster 13 | Connacht 6 | Leinster (27) | |
| 1979–80 | Leinster 25 | Connacht 10 | Leinster (28) | |
| 1980–81 | Leinster 18 | Connacht 9 | Leinster (29) | |
| 1981–82 | Leinster 20 | Connacht 10 | Leinster (30) | |
| 1982–83 | Leinster 13 | Connacht 7 | Leinster (31) | |
| 1983–84 | Leinster 29 | Connacht 6 | Leinster (32) | |
| 1984–85 | Leinster 14 | Connacht 3 | Leinster (33) | |
| 1985–86 | Connacht 9 | Leinster 6 | Connacht (3) | |
| 1986–87 | Leinster 41 | Connacht 6 | Leinster (34) | |
| 1987–88 | Leinster 20 | Connacht 19 | Leinster (35) | |
| 1988–89 | Connacht 11 | Leinster 10 | Connacht (4) | |
| 1989–90 | Leinster 16 | Connacht 12 | Leinster (36) | |
| 1990–91 | Leinster 20 | Connacht 18 | Leinster (37) | |
| 1991–92 | Leinster 24 | Connacht 9 | Leinster (38) | |
| 1992–93 | Connacht 28 | Leinster 9 | Connacht (5) | |
| 1993–94 | Leinster 15 | Connacht 11 | Leinster (39) | |
| 1994–95 | Connacht 20 | Leinster 19 | Connacht (6) | |

## Results since 1995/96 season

| Season | Home | Away | Winner | Note(s) |
| 1995–96 | Leinster 41 | Connacht 9 | Leinster (40) | |
| 1996–97 | Connacht 22 | Leinster 13 | Connacht (7) | |
| 1997–98 | Leinster 23 | Connacht 6 | Leinster (41) | |
| 1998–99 | Leinster 29 | Connacht 24 | Leinster (42) | |
| 1998–99 | Connacht 24 | Leinster 23 | Connacht (8) | |
| 1999–00 | Leinster 22 | Connacht 19 | Leinster (43) | |
| 1999–00 | Connacht 8 | Leinster 53 | Leinster (44) | |
| 2000–01 | Leinster 21 | Connacht 15 | Leinster (45) | |
| 2000-01 | Connacht 22 | Leinster 20 | Connacht (9) | |
| 2001–02 | Connacht 20 | Leinster 49 | Leinster (46) | |
| 2002-03 | Leinster 23 | Connacht 26 | Connacht (10) | |
| 2003–04 | Leinster 21 | Connacht 6 | Leinster (47) | |
| 2003–04 | Connacht 35 | Leinster 24 | Connacht (11) | |
| 2004–05 | Leinster 18 | Connacht 9 | Leinster (48) | |
| 2004–05 | Connacht 21 | Leinster 26 | Leinster (49) | |
| 2005–06 | Connacht 9 | Leinster 21 | Leinster (50) | |
| 2005–06 | Leinster 16 | Connacht 13 | Leinster (51) | |
| 2005–06 | Connacht 16 | Leinster 31 | Leinster (52) | |
| 2005–06 | Leinster 30 | Connacht 21 | Leinster (53) | |
| 2006–07 | Leinster 29 | Connacht 9 | Leinster (54) | |
| 2006–07 | Connacht 10 | Leinster 16 | Leinster (55) | |
| 2008–09 | Connacht 19 | Leinster 18 | Connacht (12) | |
| 2008–09 | Leinster 26 | Connacht 18 | Leinster (56) | |
| 2009–10 | Leinster 17 | Connacht 14 | Leinster (57) | |
| 2009–10 | Connacht 27 | Leinster 13 | Connacht (13) | |
| 2010–11 | Connacht 6 | Leinster 18 | Leinster (58) | |
| 2010–11 | Leinster 30 | Connacht 8 | Leinster (59) | |
| 2011–12 | Leinster 30 | Connacht 20 | Leinster (60) | |
| 2011–12 | Connacht 13 | Leinster 15 | Leinster (61) | |
| 2012–13 | Connacht 34 | Leinster 6 | Connacht (14) | |
| 2012–13 | Leinster 17 | Connacht 0 | Leinster (62) | |
| 2013–14 | Leinster 16 | Connacht 12 | Leinster (63) | |
| 2013–14 | Connacht 8 | Leinster 16 | Leinster (64) | |
| 2014–15 | Connacht 10 | Leinster 9 | Connacht (15) | |
| 2014–15 | Leinster 21 | Connacht 11 | Leinster (65) | |
| 2015–16 | Leinster 13 | Connacht 0 | Leinster (66) | |
| 2015–16 | Connacht 7 | Leinster 6 | Connacht (16) | |
| 2015–16 | Connacht 20 | Leinster 10 | Connacht (17) | 2016 Pro12 Grand Final |
| 2016–17 | Leinster 24 | Connacht 13 | Leinster (67) | |
| 2016–17 | Connacht 24 | Leinster 37 | Leinster (68) | |
| 2017–18 | Leinster 21 | Connacht 18 | Leinster (69) | |
| 2017–18 | Connacht 47 | Leinster 10 | Connacht (18) | Highest margin of victory for Connacht |
| 2018–19 | Connacht 3 | Leinster 20 | Leinster (70) | |
| 2018–19 | Leinster 33 | Connacht 29 | Leinster (71) | |
| 2019–20 | Connacht 11 | Leinster 42 | Leinster (72) | |
| 2019–20 | Leinster 54 | Connacht 7 | Leinster (73) | Highest margin of victory for Leinster |
| 2020–21 | Leinster 24 | Connacht 35 | Connacht (19) | |
| 2020–21 | Connacht 21 | Leinster 50 | Leinster (74) | Rainbow Cup fixture |
| 2021–22 | Leinster 47 | Connacht 19 | Leinster (75) | |
| 2021–22 | Connacht 8 | Leinster 45 | Leinster (76) | |
| 2021–22 | Connacht 21 | Leinster 26 | Leinster (77) | |
| 2021–22 | Leinster 56 | Connacht 20 | Leinster (78) | Highest scoring match between the two sides |
| 2022–23 | Connacht 0 | Leinster 10 | Leinster (79) | |
| 2022–23 | Leinster 41 | Connacht 12 | Leinster (80) | |
| 2023–24 | Connacht 22 | Leinster 24 | Leinster (81) | |
| 2023–24 | Leinster 33 | Connacht 7 | Leinster (82) | |
| 2024–25 | Connacht 12 | Leinster 33 | Leinster (83) | |
| 2024–25 | Leinster 20 | Connacht 12 | Leinster (84) | |