One more victory, and the kid known to many by his initials, "FAA," could be taking on defending champion Novak Djokovic.
Opelka's ability to adjust his style, serve-and-volleying only three times in the final set, and to hang in there on longer exchanges made this upset possible.
Players nowadays seem eager to go up against Serena Williams, not because they think they can beat her, but because, well, she's Serena Williams.
This is quite a pair: Serena Williams is teaming up with Andy Murray for mixed doubles at Wimbledon.
After his this-way-and-that, up-and-down-and-sideways 7-6 (4), 3-6, 7-6 (10), 0-6, 6-1 victory over Jordan Thompson, Nick Kyrgios will take on Rafael Nadal.
Ash Barty played her first match as the No. 1 player in the world on No. 1 Court at Wimbledon, and won.
Wimbledon has tinkered with its traditional naming titles for this year's tournament.
Naomi Osaka's 16-match Grand Slam winning streak has been followed by a two-match losing streak at majors.
Coco Gauff grew up admiring the Williams sisters. Picked up a tennis racket as a little girl because of them. Then at Wimbledon, still just 15, Gauff beat one of them.
Filipino tennis player Matthew Castillejo Garcia and his Japanese partner Noritaka Koizumi were victorious in the Boys Doubles Tournament of the South Pacific Open Junior Championships held in Fiji from June 25 to 30.