Wimbledon: Day one in pictures

In the biggest upset of the day, three time Grand Slam champion, Stanislas Wawrinka was humbled by 21-year-old Daniil Medvedev. The Russian prevailed 6-4, 3-6, 6-4, 6-1, in an encounter that lasted over two hours. Photo: AP
Wawrinka's poor season continued, as he was knocked out of the Wimbledon by the unheralded Daniil Medvedev. Photo: AFP
Defending champion, Andy Murray reached the Wimbledon second round with a comfortable 6-1, 6-4, 6-2 win over Kazakh lucky loser Alexander Bublik, in a rain-marred match. He will face Dustin Brown in the second round, the man who defeated Rafael Nadal two years ago. Photo: AFP
Second seeded Simona Halep reached the last-64 with a 6-4, 6-1 win over New Zealand qualifier Marina Erakovic. Halep, a Wimbledon semi-finalist in 2014 and this year's French Open runner-up, next faces Brazil's Beatriz Haddad Maria. Photo: Reuters
Despite a lack of grass-court practice, Rafael Nadal looked his attacking best and defeated Australian John Millman 6-1, 6-3, 6-2 in a match that lasted a little over 100 minutes. Nadal will look to repeat his 2010 feat, when he won the Wimbledon right after winning the French Open. Photo: Reuters
Coming back from a hand injury, two-time Wimbledon champion, Petra Kvitova powered over Johanna Larsson in a 6-3, 6-4 victory. The 11th seeded Czech sealed the match with an ace. Photo: Reuters
Frenchman Jo-Wilfried Tsonga had it easy against British qualifier Cameron Norrie as he progressed to the next round with a comfortable 6-3, 6-2, 6-2 scoreline. Photo: AP
British number one, Johanna Konta registered a comprehensive victory over Su-Wei Hsieh, with a 6-2, 6-2 win. After recently suffering an back injury, Konta looked to be in fine form in her opening clash. Photo: AFP
Venus Williams enjoyed a rather easy outing against Elise Mertens and won 7-6 (9/7), 6-4 in the first round. The game was interrupted by rain and Mertens had saved two match points before the weather intervened, but Williams sealed the win on her fifth match point. Photo: AFP
Tunisian Malek Jaziri gave Lucas Pouille quite a scare, but the Frenchman pulled along to win 6-7 (5/7), 6-4, 6-4, 7-6 (7/2) in a three-hour encounter, registering the longest match of the day. Photo: AFP
Australia's Nick Kyrgios, who was yet to completely recover from a left hip injury, was forced to retire from his Wimbledon first round match against Pierre-Hugues Herbert on Monday. The world No. 20 lost the first two sets 6-3, 6-4 against Herbert before deciding to call it quits due to the nagging injury. Photo: AFP
Ninth-seeded Kei Nishikori put up a spectacular display to brush aside the Italian, Marco Cecchinato 6-2, 6-2, 6-0 in only 71 minutes.