RIO DE JANEIRO -- Out of sorts and out of answers, defending champion Serena Williams is out of the Rio de Janeiro Olympics.Shanking shots of all sorts, including five -- yes, five! -- double-faults in one game alone, Williams lost to Elina Svitolina of Ukraine 6-4, 6-3 in the third round in a real shocker Tuesday, ending the No. 1-seeded Americans bid to become the first tennis player to collect a pair of singles golds.It didnt work out the way I wanted it to, Williams said.Facing an unheralded opponent who at times couldnt seem to miss, Williams had problems right from the start, when she got broken to fall behind 2-1 with a badly missed overhead into the net.That set a pattern.By the end, Svitolina had won 63 points, but merely nine came via clean winners of her own doing. The others came thanks to Williams 37 unforced errors and 17 forced errors.The better player won, said Williams, who did not take questions from the media after the match and instead did a brief interview with a U.S. Tennis Association spokesman who shared the audio with reporters.After winning golds in singles and doubles at the 2012 London Olympics, Williams heads home from Brazil with nothing. She and her older sister Venus, who sat in the stands Tuesday, lost in the first round as the No. 1 seed in womens doubles -- their first defeat in the Olympics after going 15-0 with three golds.Of the four tennis events under way in Rio -- mixed doubles hasnt started yet -- all four No. 1 seeds are gone, including Novak Djokovic in mens singles.No one in the history of Olympic tennis has ever won two gold medals in singles, and while Williams wont achieve that this week, Andy Murray or Rafael Nadal still could.Both moved into the third round Tuesday. Neither has been tested much, dropping a total of nine games apiece so far.This is Nadals first tournament since he pulled out of the French Open in May with an injured tendon sheath in his left wrist, and the No. 3 seed wasnt even sure he would compete until testing his arm once he arrived in Brazil. Still, everything is going exactly to plan for the owner of 14 Grand Slam championships and the 2008 Beijing Olympic title, who beat Italys Andreas Seppi 6-3, 6-3.Not much pressure for me, Nadal said. Two months without competing, I dont expect much.Murray, who won gold at the 2012 London Games and is seeded No. 2, breezed past Argentinas Juan Monaco 6-3, 6-1.The womens quarterfinals are set: Svitolina vs. Petra Kvitova of the Czech Republic; Angelique Kerber of Germany vs. Johanna Konta of Britain; Madison Keys of the U.S. vs. Daria Kasatkina of Russia; and Monica Puig of Puerto Rico vs. Laura Siegemund of Germany.No. 3 Garbine Muguruza, who beat Williams to win the French Open title, also lost Tuesday, 6-1, 6-1 against Puig.The 20th-ranked Svitolina never before played in the Olympics and only once has been to a major quarterfinal. She also entered the night 0-4 against Williams, an owner of 22 Grand Slam singles championships.Unreal feeling, Svitolina said after the biggest win of her career, adding: Its so special to beat her here.Their most recent match came at the French Open, and Williams won 6-1, 6-1.Give credit this time to Svitolina, who played a fearless brand of big-strike tennis, sending deep groundstrokes off both wings toward lines and managing to put most right where she wanted them.Im really happy I could take risks, Svitolina said.She ended the first set with an ace and a blank stare, as if this were no big deal and she knew she would do this all along.Afterward, she sounded as if she did.I was expecting that I can play well, as well, and just push her to her limits, Svitolina said. Obviously, she was not playing well today.After 45 minutes, she was up a set and a break at 2-1 in the second. She got to break point with a big forehand that forced an errant forehand from Williams, then converted with an inside-out forehand return winner off a 97 mph (157 kph) second serve.When she held in the next game, it was 3-1, and Svitolina was merely three games from a monumental upset.But Williams did not go quietly.Screaming Come on! after some points and Ahhhh! after others, waving her arms either to celebrate or remonstrate herself, she held, then broke, to pull even at 3-all in the second set. And then one of the greatest fighters in her -- or any other -- sport simply faded down the stretch.Oddly so, too, with that five-double-fault game; she finished with eight. At one point in the game that ended with her getting broken to trail 4-3, Williams leaned forward and tapped her racket twice against the court. 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During the athletes parade, the 23-strong Ukrainian team was represented by a lone flagbearer in an apparent protest at the presence of Russian troops in Ukraines Crimean peninsula. Dennis Smith Youth Jersey . In Europe, top teams seem to be largely happy with their squads after spending nearly $1 billion in the off-season. And although English league clubs are unlikely to splash cash in January, Arsenal and Chelsea could be tempted to strengthen their squads with new strikers. Tom Jackson Youth Jersey .H. -- Matt Kenseth made it 2 for 2 in the Chase, holding off teammate Kyle Busch to win Sunday at New Hampshire Motor Speedway. MIAMI (6-10) at SEATTLE (11-7)Sunday, 4:05 p.m. EST, CBSOPENING LINE -- Seahawks by 10 1/2SERIES RECORD -- Dolphins lead 10-4LAST MEETING -- Dolphins beat Seahawks 24-21, Nov. 25, 2012AP PRO32 RANKING -- Dolphins No. 25, Seahawks No. 4DOLPHINS OFFENSE -- OVERALL (26), RUSH (23), PASS (19).DOLPHINS DEFENSE -- OVERALL (25), RUSH (28), PASS (21).SEAHAWKS OFFENSE -- OVERALL (4), RUSH (3), PASS (20).SEAHAWKS DEFENSE -- OVERALL (2), RUSH (1), PASS (2).STREAKS, STATS AND NOTES -- Dolphins visiting Seattle for first time since 2004 season (24-17 Seattle win) in debut for new coach Adam Gase. ... QB Ryan Tannehill going for third straight 4,000-yard passing season. Tannehill threw for 4,208 yards last year. ... RB Arian Foster making Miami debut after seven seasons with Houston. Since 2010, Foster has rushed for 6,215 yards. ... WR Jarvis Landry had 110 receptions in 2015 and 194 in first two seasons. ... Dolphins could be without starting center Mike Pouncey (hip) and wide receiver DeVante Parker (hamstring). ... Miami defensive line of DE Cameron Wake, DT Ndamukong Suh and DE Mario Williams to test Seahawks revamped offensive line. Wake and Suh have combined for 106 + sacks since 2010. ... SS Reshad Jones was only player in NFL last season with more than 100 tackles, five or more interceptiions and two or more sacks.dddddddddddd ... Seahawks have won at least 10 games in four straight seasons. ... Seahawks opening at home for second time since 2011. Seattle beat Green Bay 36-16 in 2014. ... QB Russell Wilson led NFL with 110.1 passer rating in 2015. ... Wilson became first QB in league history with 4,000 yards passing, 30 touchdown passes and 500 yards rushing last season. ... RB Thomas Rawls expected to play in first game since Week 14 of 2015 against Baltimore when suffered broken ankle. Rawls led Seattle with 830 yards rushing. ... WR Doug Baldwin tied for NFL lead with 14 touchdown receptions last season, including 11 in final six games. Baldwin was Seahawks first 1,000-yard receiver since 2007. ... First-round pick G Germain Ifedi limited in practice this week with ankle injury and likely means shuffling on offensive line. ... DE Michael Bennett had career-high 10 sacks last season. ... FS Earl Thomas tied career high with five interceptions in 2015. Fantasy Tip: Seahawks have not allowed 100-yard rusher in past 22 games. Arian Foster not best option for RB this week.---Online:AP NFL website: www.pro32.ap.org and www.twitter.com/AP-NFL ' ' '