As 9 to 5ers around the world returned to work Monday, the 2012 London Summer Olympics continued to heat up with China in the lead as the top medal winner.

China continued its reign, nabbing gold in men's synchronised 10m platform diving Monday morning. Mexico took silver while the U.S. inched out Great Britain for the bronze medal.

Tennis sisters Venus and Serena Williams both walked off the courts triumphant after winning their singles matches and began their bid for gold in doubles after defeating Sorana Cirstea and Simona Halep of Romania 6-3, 6-2. If successful, this will be the third doubles gold medal for the pair who took who the top prize in 2000 and 2008.

U.S. swimmer Missy Franklin won her first gold medal after narrowly beating Emily Seebohm of Australia in the women's 100m backstroke, while Matthew Grevers and Nick Thoman took home gold and silver, respectively, for the men.

Monday's events include qualifying rounds in archery, badminton, basketball, beach volleyball, boxing, canoeing, equestrian, field hockey, handball, rowing, sailing, table tennis, tennis, volleyball and water polo -- plus medal events in diving, fencing, gymnastics, judo, shooting, swimming and weightlifting.

Check out the gallery below to see some of the best photos from day three of the 2012 Summer Olympic Games.

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  • Field Hockey Fall

    Australia's Kieran Govers, left, falls to the ground as he battles for ball possession with South Africa's Andrew Cronje during a men's field hockey preliminary match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Bullit Marquez)

  • First Gold Medal

    United States' Missy Franklin starts in a women's 100-meter backstroke swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. (AP Photo/Mark J. Terrill)

  • Handball Goal Shot

    Lee Eun-bi of South Korea, left, takes a shot at goal as Marianne Bonde Petersen, right, of Denmark watches during their women's handball preliminary match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Vadim Ghirda)

  • Fencing Attack

    USA's Courtney Hurley faces France's Laura Flessel-Colovic during a women's individual epee fencing round of 32 match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Dmitry Lovetsky)

  • Volleyball Spike

    South Korea's Kim Hee-jin (19) spikes the ball by Serbia's Brankica Mihajlovic (7) during a women's volleyball preliminary match at the 2012 Summer Olympics Monday, July 30, 2012, in London. (AP Photo/Chris O'Meara)

  • A Heavy Load

    Jenly Tegu Wini of the Solomon Islands competes during the women's 58-kg weightlifting competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Mike Groll)

  • Judo Match

    Marti Malloy of the United States, right, and Corina Caprioriu of Romania during the women's 57-kg judo competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Paul Sancya)

  • Cycles Away

    The Russian men's cycling team trains for the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Sergey Ponomarev)

  • Clearing The Hedge

    Toshiyuki Tanaka, of Japan, rides her horse Marquis De Plescop as she competes in the equestrian eventing cross-country stage at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Charlie Riedel)

  • Right Jab

    North Korea's Pak Jong Chol, right, competes with Brazil's Juliao Henriques Neto during a flyweight 52-kg preliminary boxing match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Patrick Semansky)

  • Target In Sight

    Netherlands' Peter Hellenbrand prepares to shoot during the final for the men's 10-meter air rifle at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Rebecca Blackwell)

  • Block And Grab

    Australia's Suzy Batkovic (8) is pressured by France's Elodie Godin, left, and Endene Miyem, right, during the first half of a preliminary women's basketball game at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Eric Gay)

  • Judo Chop

    Rasul Boqiev of Tajikistan, left, and Ugo Legrand of France, compete during the men's 73-kg judo competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Paul Sancya)

  • Flipped

    Nicholas Delpopolo of the United States, left, and Nyam Ochir Sainjargal of Mongolia compete during the men's 73-kg judo competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Paul Sancya)

  • Block The Shot

    Ma Huanhuan of China, left, attempts to block a shot by Anna Espar Llaquet of Spain during their women's water polo preliminary round match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Alastair Grant)

  • Intense Rally

    Seiya Kishikawa competes against Panagiotis Gionis of Greece of Japan during their men's table tennis match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Sergei Grits

  • Taking On Water

    David Schroeder, front, and Frank Henze of Germany compete in the heats of the C-2 men's canoe double slalom at Lee Valley Whitewater Center, at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Kirsty Wigglesworth)

  • Ab Pat

    Australia's Jamie Dwayer, center, celebrates his goal against South Africa with his teammates during their men's hockey preliminary round match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Eranga Jayawardena)

  • Going For The Birdie

    Taiwan's Cheng Shao-chieh plays against Austria's Simone Prutsch during a women's singles badminton match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Andres Leighton)

  • High Fives All Around

    Teams members of South Korea, right, and Denmark, left, greet each other before their women's handball preliminary match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Vadim Ghirda)

  • Diving For The Ball

    Nadine Zumkehr of Switzerland digs out a ball during a beach volleyball match against China at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Dave Martin)

  • Belgium's Loss

    Dirk van Tichelt of Belgium reacts after losing to Nicholas Delpopolo of the United States in the men's 73-kg judo competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Paul Sancya)

  • Making The Jump

    Boyd Martin, of the United States, and his horse Otis Barbotiere competes in the equestrian eventing cross-country stage at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Jae C. Hong)

  • Waiting To Start

    Great Britain's, from right, Phelan Hill, Constantine Louloudis, Matthew Langridge, Greg Searle, Mohamed Sbihi, Richard Egington, Tom Ransley, James Ford, and Alex Partridge wait for the start of a men's rowing eight repechage in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Monday, July 30, 2012. (AP Photo/Chris Carlson)

  • North Korea's Gold

    North Korea's An Kum Ae holds her gold medal in the women's 52-kg judo competition at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Paul Sancya)

  • Dramatic Reaction

    Martins Reader of Canada reacts during a beach volleyball match against Norway at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Dave Martin)

  • Ball Grab

    Turkey's Kuanitra Holingsvorth, center, grabs a rebound between Czech Repubic's Lisa Ann Karcic, left, and Ilona Burgrova during a women's basketball game at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Charles Krupa)

  • Coaches Ride Alongside

    Coaches and others ride bicycles next to boats competing in the rowing competition in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Monday, July 30, 2012. (AP Photo/Natacha Pisarenko)

  • Catching A Quick Breath

    United States' Ariana Kukors competes in a women's 200-meter individual medley swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/Daniel Ochoa De Olza)

  • That's Some Swing

    China's Tian Qing, right, and Zhao Yunlei play against Japan's Miyuki Maeda and Satoko Suetsuna, unseen, at a women's doubles badminton match of the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Saurabh Das)

  • For Good Luck

    Paul Drinkhall of Great Britain takes moment between plays against Dimitrij Ovtcharov of Germany during their men's table tennis match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Sergei Grits

  • Close Serve

    Dimitrij Ovtcharov of Germany serves against Paul Drinkhall of Great Britain during their men's table tennis match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Sergei Grits)

  • Full Court

    Japan's Miyuki Maeda, above right, and Satoko Suetsuna, above left, play against Zhao Yunlei, below left, and Tian Qing, of China, during a women's doubles badminton match at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Andres Leighton)

  • Got A Little Captain In Ya?

    Spain's Beatriz Gomez Cortes prepares to compete in a women's 200-meter individual medley swimming heat at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, July 30, 2012. (AP Photo/Lee Jin-man)

  • Slalom Heats

    LONDON, ENGLAND - JULY 30: Corinna Kuhnle of Austraia competes during the Womens Kayak Single (K1) Slalom heats on Day 3 of the London 2012 Olympic Games at Lee Valley White Water Centre on July 30, 2012 in London, England. (Photo by Phil Walter/Getty Images)

  • 58kg Weightlifting

    LONDON, ENGLAND - JULY 30: Rattikan Gulnoi of Thailand competes in the Women's 58kg Weightlifting on Day 3 of the London 2012 Olympic Games at ExCeL on July 30, 2012 in London, England. (Photo by Laurence Griffiths/Getty Images)

  • Diving In Pairs

    LONDON, ENGLAND - JULY 30: Yuan Cao and Yanquan Zhang of China compete in the Men's Synchronised 10m Platform Diving on Day 3 of the London 2012 Olympic Games at the Aquatics Centre on July 30, 2012 in London, England. (Photo by Clive Rose/Getty Images)

  • Who Will Take The Bronze?

    United States' Marti Malloy (blue) competes with Italy's Giulia Quintavalle during their women's -57kg judo contest bronze medal match of the London 2012 Olympic Games on July 30, 2012 ExCel arena in London. (Photo credit FRANCK FIFE/AFP/GettyImages)

  • Taking A Dive

    LONDON, ENGLAND - JULY 30: Tom Daley and Peter Waterfield of Great Britain compete in the Men's Synchronised 10m Platform Diving on Day 3 of the London 2012 Olympic Games at the Aquatics Centre on July 30, 2012 in London, England. (Photo by Clive Rose/Getty Images)

  • There's The Serve

    Switzerland's Roger Federer serves to France's Julien Benneteau during their men's single tennis match second round during the London 2012 Olympic Games in London on July 30, 2012. (Photo credit LUIS ACOSTA/AFP/GettyImages)

  • Winning Behavior

    France's Automne Pavia celebrates with her coach after winning against Hungary's Hedvig Karakas during their women's -57kg judo contest bronze medal match of the London 2012 Olympic Games on July 30, 2012 ExCel arena in London. (Photo credit FRANCK FIFE/AFP/GettyImages)

  • Trying To Make The Save

    Russia's goalkeeper Anna Sedoykina tries to make a save during the women's preliminaries Group A handball match Great Britain vs Russia for the London 2012 Olympics Games on July 30, 2012 at the Copper Box hall in London. (Photo credit JAVIER SORIANO/AFP/GettyImages)

  • Bump, Set...

    Freedom Chiya of the Republic of South Africa sets the ball during a beach volleyball match against Latvia at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Dave Martin)

  • Archers At Your Ready

    Taiwan's Wang Cheng-pang squares off against South Korea's Im Dung-hyun during an elimination round of the individual archery competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Marcio Jose Sanchez)

  • And The Gold Goes To...

    Romania's Alin George Moldoveanu waves from the podium after receiving the gold medal in men's 10-meter air rifle at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Rebecca Blackwell)

  • That's A Lot Of Weight

    Manuel Minginfel off Micronesia competes during the mens 62-kg weightlifting competition at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Mike Groll)

  • Over The Net

    Martins Reader of Canada returns service during a beach volleyball match against Norway at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Dave Martin)

  • Point

    Britain's Corinna Lawrence participates in a women's individual epee fencing round of 64 against Chile's Caterin Bravo Aranguiz at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/Andrew Medichini)

  • Keep An EyeOn The Ball

    LONDON, ENGLAND - JULY 30: Yuegu Wang of Singapore eyes the ball during her Women's Singles Table Tennis fourth round match against Viktoria Pavlovich of Belarus on Day 3 of the London 2012 Olympic Games at ExCeL on July 30, 2012 in London, England. (Photo by Feng Li/Getty Images)

  • Gold And Silver Medal Winners

    Japan's gold medalist Kaori Matsumoto (L) and Romania's silver medalist Corina Caprioriu pose on the podium of the women's -57kg judo contest of the London 2012 Olympic Games on July 30, 2012 ExCel arena in London. AFP PHOTO / FRANCK FIFE (Photo credit should read FRANCK FIFE/AFP/GettyImages)

  • Congrats All Around

    LONDON, ENGLAND - JULY 30: John Orozco of the United States gives Samuel Mikulak of the United States a five after Orozco competes on the pommel horse in the Artistic Gymnastics Men's Team final on Day 3 of the London 2012 Olympic Games at North Greenwich Arena on July 30, 2012 in London, England. (Photo by Michael Steele/Getty Images)

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