Australian boxer Tim Tszyu has extended his family's unbeaten legacy with a third consecutive unanimous decision victory over American superstar Errol Spence Jr in Sydney.The fight, led by legendary coach Jeff Fenech, saw Tszyu (28-3) secure a decisive win with scores of 118-110, 117-111, and 116-112.The 26-year-old's triumph marks his 26th consecutive win on Australian soil, continuing a family tradition of undefeated records.Spence (28-2), 36, retired after the bout, citing fatigue and a desire to return to his family.Tszyu's victory follows a career resurgence since three crushing defeats in the US in 2024-2025.The fight highlighted Tszyu's resilience, with Fenech criticizing Spence's defensive tactics in the later rounds.Despite Spence's reputation as a former world champion, Tszyu's performance solidified his status as a rising force in boxing.The bout, held in Sydney, underscored the growing prominence of Australian fighters on the global stage.