George Kambosos Jr. (born 14 June 1993 in Sydney) is a Greek-Australian professional boxer. Per Wikipedia, he held the unified lightweight championship from 2021 to 2022, as well as The Ring magazine title during that time, and held the IBO lightweight title from 2022 to 2023 (table reign 2023–2024).
Kambosos debuted in May 2013, served as Manny Pacquiao's main sparring partner, beat Lee Selby in 2020 to become IBF mandatory, then upset Teofimo Lopez by split decision on November 27, 2021 to win the unified lightweight championship. He lost the titles to Devin Haney in June 2022 and lost the rematch that October.
BoxRec-style profile
- Birth name: George Kambosos Jr.
- Born: 14 June 1993 — Sydney, Australia
- Nationality: Greek-Australian
- Height: 5 ft 9 in (175 cm)
- Reach: 68 in (173 cm)
- Stance: Orthodox
- Pro debut: 18 May 2013 (Win by TKO vs Jayson Mac Gura)
- Last bout: 14 Jun 2025 (Loss by KO vs Richardson Hitchins)
- Total rounds boxed: 197 (summed from the bout table below)
- Divisions: Lightweight, Light welterweight
- KO percentage: 45.5% (10 KO wins in 22 wins)
- Titles held (major, with reign dates): Unified WBA (Super), IBF, WBO and The Ring lightweight titles November 27, 2021 – June 5, 2022 (won from Teofimo Lopez; lost to Devin Haney); IBO lightweight title July 22, 2023 – May 12, 2024 (won from Maxi Hughes; lost to Vasiliy Lomachenko)
- Born: 14 June 1993 — Sydney, Australia
- Nationality: Greek-Australian
- Height: 5 ft 9 in (175 cm)
- Reach: 68 in (173 cm)
- Stance: Orthodox
- Divisions: Lightweight, Light welterweight
Record at a glance
- Total bouts: 26
- Wins: 22
- Wins by KO: 10
- Losses: 4
- Losses by KO: 2
- Draws: 0
- No contests: 0
- Born: 14 June 1993 — Sydney, Australia
- Nationality: Greek-Australian
- Height: 5 ft 9 in (175 cm)
- Reach: 68 in (173 cm)
- Stance: Orthodox
- Divisions: Lightweight, Light welterweight
Fight-by-fight record
| No. | Date | Opponent | Result | Method | Round/Time | Venue / Notes |
|---|---|---|---|---|---|---|
| 1 | 18 May 2013 | Jayson Mac Gura | Win | TKO | 2 (6), 2:06 | Croatian Club, Sydney, Australia |
| 2 | 17 Aug 2013 | Roberto Oyan | Win | UD | 6 | Croatian Club, Sydney, Australia |
| 3 | 22 Nov 2013 | Michael Correa | Win | TKO | 6 (8), 2:59 | Croatian Club, Sydney, Australia — ★ Title fight — Won vacant NSW state lightweight title |
| 4 | 29 Jan 2014 | Paitoon Jaikom | Win | UD | 6 | Entertainment Centre, Brisbane, Australia |
| 5 | 9 Apr 2014 | Akrapong Nakthaem | Win | TKO | 1 (6), 2:30 | Entertainment Centre, Newcastle, Australia |
| 6 | 29 Aug 2014 | Robert Toomey | Win | UD | 10 | Club Punchbowl, Sydney, Australia — ★ Title fight — Won Australian lightweight title |
| 7 | 31 Jan 2015 | Rodynie Rafol | Win | UD | 6 | Allphones Arena, Sydney, Australia |
| 8 | 4 Jul 2015 | Leonardo Esteban Gonzalez | Win | TKO | 3 (12), 2:59 | Club Punchbowl, Sydney, Australia — ★ Title fight — Won WBA-PABA interim lightweight title |
| 9 | 12 Dec 2015 | Joebert Delos Reyes | Win | KO | 4 (12), 2:34 | Alexandria Basketball Stadium, Sydney, Australia — ★ Title fight — Retained WBA-PABA lightweight title |
| 10 | 8 Jun 2016 | Issa Nampepeche | Win | RTD | 4 (12), 3:00 | Entertainment Centre, Sydney, Australia — ★ Title fight — Retained WBA-PABA lightweight title |
| 11 | 2 Dec 2016 | Brandon Ogilvie | Win | UD | 12 | Luna Park, Sydney, Australia — ★ Title fight — Won WBA Oceania lightweight title |
| 12 | 6 May 2017 | Qamil Balla | Win | UD | 10 | Vodafone Events Centre, Auckland, New Zealand |
| 13 | 13 Oct 2017 | Kaewfah Tor Buamas | Win | TKO | 9 (10), 1:59 | Melbourne Pavilion, Melbourne, Australia — ★ Title fight — Retained WBA Oceania lightweight title; Won vacant IBF Pan Pacific lightweight title |
| 14 | 5 May 2018 | Jose Forero | Win | KO | 1 (10), 1:48 | Foxwoods Resort Casino, Ledyard, Connecticut, US |
| 15 | 15 Jul 2018 | JR Magboo | Win | TKO | 2 (8), 2:02 | Axiata Arena, Kuala Lumpur, Malaysia |
| 16 | 19 Jan 2019 | Rey Perez | Win | UD | 8 | MGM Grand Garden Arena, Paradise, Nevada, US |
| 17 | 7 Jun 2019 | Richard Pena | Win | TKO | 6 (10), 1:36 | Galatsi Olympic Hall, Athens, Greece |
| 18 | 14 Dec 2019 | Mickey Bey | Win | SD | 10 | Madison Square Garden, New York City, New York, US |
| 19 | 31 Oct 2020 | Lee Selby | Win | SD | 12 | The SSE Arena, London, England |
| 20 | 27 Nov 2021 | Teofimo Lopez | Win | SD | 12 | Hulu Theater at Madison Square Garden, New York City, New York, US — ★ Title fight — Won WBA (Super), IBF, WBO, and The Ring lightweight titles |
| 21 | 5 Jun 2022 | Devin Haney | Loss | UD | 12 | Docklands Stadium, Melbourne, Australia — ★ Title fight — Lost WBA (Super), IBF, WBO, and The Ring lightweight titles; For WBC lightweight title |
| 22 | 16 Oct 2022 | Devin Haney | Loss | UD | 12 | Rod Laver Arena, Melbourne, Australia — ★ Title fight — For WBA (Super), WBC, IBF, WBO, and The Ring lightweight titles |
| 23 | 22 Jul 2023 | Maxi Hughes | Win | MD | 12 | Firelake Arena, Shawnee, Oklahoma, US — ★ Title fight — Won IBO lightweight title |
| 24 | 12 May 2024 | Vasiliy Lomachenko | Loss | TKO | 11 (12), 2:49 | RAC Arena, Perth, Australia — ★ Title fight — Lost IBO lightweight title; For vacant IBF lightweight title |
| 25 | 22 Mar 2025 | Jake Wyllie | Win | UD | 12 | Qudos Bank Arena, Sydney, Australia |
| 26 | 14 Jun 2025 | Richardson Hitchins | Loss | KO | 8 (12), 2:32 | The Theater at Madison Square Garden, New York City, New York, US — ★ Title fight — For IBF light welterweight title |
Titles & notes
Major title reigns (start–end): Unified WBA (Super), IBF, WBO and The Ring lightweight titles November 27, 2021 – June 5, 2022 (won from Teofimo Lopez; lost to Devin Haney); IBO lightweight title July 22, 2023 – May 12, 2024 (won from Maxi Hughes; lost to Vasiliy Lomachenko)
- 22 Nov 2013 vs Michael Correa: Won vacant NSW state lightweight title
- 29 Aug 2014 vs Robert Toomey: Won Australian lightweight title
- 4 Jul 2015 vs Leonardo Esteban Gonzalez: Won WBA-PABA interim lightweight title
- 12 Dec 2015 vs Joebert Delos Reyes: Retained WBA-PABA lightweight title
- 8 Jun 2016 vs Issa Nampepeche: Retained WBA-PABA lightweight title
- 2 Dec 2016 vs Brandon Ogilvie: Won WBA Oceania lightweight title
- 13 Oct 2017 vs Kaewfah Tor Buamas: Retained WBA Oceania lightweight title; Won vacant IBF Pan Pacific lightweight title
- 27 Nov 2021 vs Teofimo Lopez: Won WBA (Super), IBF, WBO, and The Ring lightweight titles
- 5 Jun 2022 vs Devin Haney: Lost WBA (Super), IBF, WBO, and The Ring lightweight titles; For WBC lightweight title
- 16 Oct 2022 vs Devin Haney: For WBA (Super), WBC, IBF, WBO, and The Ring lightweight titles
- 22 Jul 2023 vs Maxi Hughes: Won IBO lightweight title
- 12 May 2024 vs Vasiliy Lomachenko: Lost IBO lightweight title; For vacant IBF lightweight title
- 14 Jun 2025 vs Richardson Hitchins: For IBF light welterweight title
Record source: Wikipedia professional boxing record table (cross-checked against the bout list), retrieved 2026-10-28.
