It did not matter that Serena Williams' US Open meeting with Venus was one-sided. This was still a hugely special occasion on Arthur Ashe.
Serena Williams took the time to speak about Colin Kaepernick and Eric Reid following Friday's win over Venus in New York.
After beating her sister Venus 6-1 6-2, Serena Williams said: "I played much better than I have since I started this journey back."
Serena Williams thumped Venus Williams at the US Open, prompting the latter to state: "She played untouchable tennis."
After his demanding win over Karen Khachanov, a typically cagey Rafael Nadal shed little light on his physical condition.
Family loyalties were put aside as Serena Williams defeated Venus 6-1 6-2 in the pair's 30th career meeting in New York on Friday.
Having breezed through his first two matches at Flushing Meadows, Rafael Nadal faced a much sterner test against Karen Khachanov.
Victoria Azarenka could not halt Sloane Stephens' progress at the US Open as the defending champion eased into round four.
Khalil Mack's holdout shows no sign of coming to an end and the Oakland Raiders star's absence has dominated the headlines stateside.
A review found Mohamed Lahyani went "beyond protocol" in encouraging Nick Kyrgios on Thursday, but the umpire won't be disciplined.