George Kambosos Jr., born on June 14, 1993, in Sydney, Australia, is a professional boxer fighting in the lightweight division, boasting a record of 21 wins and 3 losses. Growing up, Kambosos faced bullying due to his weight, which led him to transition from junior rugby league to boxing at the age of 11, a decision influenced by his father. Overcoming his weight issues, he embarked on a boxing career. In May 2013, Kambosos made his professional debut with a victory over Jayson Mac Gura via a second-round technical knockout, marking the beginning of a successful journey in the sport. He earned titles such as the WBA Oceania and IBF Pan Pacific championships and has secured 10 wins through knockouts. Notably, Kambosos held multiple prestigious titles, including the WBA (Super), IBF, WBO, and The Ring lightweight titles from 2021 to 2022.
George Kambosos Jr. Boxing Record
George Kambosos Jr. holds a professional boxing record of 21 wins and 3 losses (21-3-0). Of his wins, 10 came via knockout and 11 by decision.
| No. | Result | Record | Opponent | Type | Round, time | Date | Location |
| 24 | Loss | 21-3 | Vasiliy Lomachenko | TKO | 11(12), 2:49 | 12 May 2024 | RAC Arena, Perth, Australia |
| 23 | Win | 21–2 | Maxi Hughes | MD | 12 | 22 Jul 2023 | Firelake Arena, Shawnee, Oklahoma, US |
| 22 | Loss | 20–2 | Devin Haney | UD | 12 | 16 Oct 2022 | Rod Laver Arena, Melbourne, Australia |
| 21 | Loss | 20–1 | Devin Haney | UD | 12 | 5 Jun 2022 | Docklands Stadium, Melbourne, Australia |
| 20 | Win | 20–0 | Teófimo López | SD | 12 | 27 Nov 2021 | Hulu Theater at Madison Square Garden, New York City, New York, US |
| 19 | Win | 19–0 | Lee Selby | SD | 12 | 31 Oct 2020 | The SSE Arena, London, England |
| 18 | Win | 18–0 | Mickey Bey | SD | 10 | 14 Dec 2019 | Madison Square Garden, New York City, New York, US |
| 17 | Win | 17–0 | Richard Pena | TKO | 6 (10), 1:36 | 7 Jun 2019 | Galatsi Olympic Hall, Athens, Greece |
| 16 | Win | 16–0 | Rey Perez | UD | 8 | 19 Jan 2019 | MGM Grand Garden Arena, Paradise, Nevada, US |
| 15 | Win | 15–0 | JR Magboo | TKO | 2 (8), 2:02 | 15 Jul 2018 | Axiata Arena, Kuala Lumpur, Malaysia |
| 14 | Win | 14–0 | Jose Forero | KO | 1 (10), 1:48 | 5 May 2018 | Foxwoods Resort Casino, Ledyard, Connecticut, US |
| 13 | Win | 13–0 | Kaewfah Tor Buamas | TKO | 9 (10), 1:59 | 13 Oct 2017 | Melbourne Pavilion, Melbourne, Australia |
| 12 | Win | 12–0 | Qamil Balla | UD | 10 | 6 May 2017 | Vodafone Events Centre, Auckland, New Zealand |
| 11 | Win | 11–0 | Brandon Ogilvie | UD | 12 | 2 Dec 2016 | Luna Park, Sydney, Australia |
| 10 | Win | 10–0 | Issa Nampepeche | RTD | 4 (12), 3:00 | 8 Jun 2016 | Entertainment Centre, Sydney, Australia |
| 9 | Win | 9–0 | Joebert Delos Reyes | KO | 4 (12), 2:34 | 12 Dec 2015 | Alexandria Basketball Stadium, Sydney, Australia |
| 8 | Win | 8–0 | Leonardo Esteban Gonzalez | TKO | 3 (12), 2:59 | 4 Jul 2015 | Club Punchbowl, Sydney, Australia |
| 7 | Win | 7–0 | Rodynie Rafol | UD | 6 | 31 Jan 2015 | Allphones Arena, Sydney, Australia |
| 6 | Win | 6–0 | Robert Toomey | UD | 10 | 29 Aug 2014 | Club Punchbowl, Sydney, Australia |
| 5 | Win | 5–0 | Akrapong Nakthaem | TKO | 1 (6), 2:30 | 9 Apr 2014 | Entertainment Centre, Newcastle, Australia |
| 4 | Win | 4–0 | Paitoon Jaikom | UD | 6 | 29 Jan 2014 | Entertainment Centre, Brisbane, Australia |
| 3 | Win | 3–0 | Michael Correa | TKO | 6 (8), 2:59 | 22 Nov 2013 | Croatian Club, Sydney, Australia |
| 2 | Win | 2–0 | Roberto Oyan | UD | 6 | 17 Aug 2013 | Croatian Club, Sydney, Australia |
| 1 | Win | 1–0 | Jayson Mac Gura | TKO | 2 (6), 2:06 | 18 May 2013 | Croatian Club, Sydney, Australia |
Also Read: What is George Kambosos Jr.'s Ethnicity?
What weight class is Kambosos in?
George Kambosos Jr. competes in the lightweight weight class, where the upper weight limit is 135 lbs or 61.2 kgs.
George Kambosos Jr. Losses
George Kambosos Jr. has lost twice against Devin Haney and once against Vasiliy Lomachenko in his professional boxing career.
In June 2022, George Kambosos Jr. faced Devin Haney at Marvel Stadium in Melbourne, Australia, aiming to determine the first undisputed lightweight champion in the four-belt era. However, Kambosos encountered controversy as he failed to make weight on his initial attempt, coming in slightly over the limit. Despite successfully making weight on his second attempt, Kambosos was defeated by Haney via unanimous decision, with two judges scoring the fight 116–112 and one judge scoring it 118–110, all in favor of Haney.
Following the defeat, Kambosos exercised the rematch clause, leading to a second encounter with Haney on October 16, 2022, at Rod Laver Arena in Melbourne. Unfortunately, Kambosos lost yet again, this time via unanimous decision, with the judges scoring the fight 118–110 (twice) and 119–109 in favor of Haney.
Last Updated On March 18, 2025.
FAQs
A. George Kambosos Jr. holds a professional boxing record of 21-3-0.
A. George Kambosos Jr. has won via KO 10 times.
A. He is 31 years old.
A. Kamboses has a reach of 68”.
A. Kamboses fights in the lightweight division in boxing.
A. Yes, George Kambosos Jr. has lost thrice in professional boxing, two times against Devin Haney, and once against Vasiliy Lomachenko.
