Here are some reactions from the world of sport on of widespread state-sponsored doping by Russian athletes at the 2014 Sochi Olympics.
The world number one had arrived in Tokyo aiming to become the first man to win all four majors and an Olympic gold medal in the same calendar year. But that quest came to an end after he was beaten by fifth-ranked German Alexander Zverev in Friday's semi-final.
All the top action from Day 6 of the 2022 Winter Olympic Games in Beijing on Thursday.
All 11 Russian boxers who qualified for the Rio Olympics have been given the all clear to compete at the Games, the International Boxing Association (AIBA) said on Thursday.
Snow blankets Games, delays Gu's return to competition
Mahuchikh won gold with a leap of 2.02 metres on Saturday
Bach said the International Olympic Committee had limited means of action.
Several anti-doping agencies, including those of the United States and Canada, want a complete ban on Russia competing at the Rio Olympics if next week's key report into allegations of state-backed doping at the 2014 Sochi winter Olympics is damning, they said on Saturday.
Megan Jones and Celia Quansah, a same-sex couple, will compete together at the Tokyo Olympics.
Earlier in the day, Russia was banned from defending its Davis Cup and Billie Jean King Cup titles but its players will still be allowed to compete at the Grand Slams and in regular tour events.
Iivo Niskanen put on a brilliant display of cross-country skiing to win gold for Finland at the Beijing Games
Russian pole vaulter Yelena Isinbayeva was elected to the International Olympic Committee (IOC) athletes' commission on Thursday, despite being barred from the Rio Games over doping allegations.
Russian doping whistleblower Yulia Stepanova's application to compete as an individual athlete has been accepted, the International Association of Athletics Federations (IAAF) said on Friday.
Norway's Birk Ruud claimed the first men's freeski Big Air Olympic gold
The Russians had appealed their exclusion from the Games by the International Olympic Committee (IOC) over the doping scandal from the 2014 Sochi Games.
Russian teenage figure skater Kamila Valieva tumbled to fourth place in the women's singles event on Thursday, yielding to the pressure of a doping controversy that has rocked the Beijing Games.
A look at the country's athletes' showing at the Tokyo Olympics on Friday, July 30.
Paralympics boss Andrew Parsons expressed disgust that Russian authorities had let down the country's clean athletes
Tokyo's state of emergency, the capital's fourth, lasts until Aug. 22, shortly before the Paralympics begin.
Ryan Murphy lost the second of his Rio backstroke titles to Russian Evgeny Rylov at the 2020 Olympics on Friday and the US swimmer then suggested doping had played a part in his demise as events took an acrimonious turn at the Tokyo pool.
The International Olympic Committee (IOC) dented any slim hopes that Russian athletes might have had of competing at the Rio Games in August by backing the IAAF's decision to uphold its ban on the country for systematic doping.
All the top action from Day 8 of the 2022 Winter Olympic Games in Beijing on Saturday.
CAS said that the Olympic Athletes from Russia mixed doubles curling team, who won bronze at the Games, had been disqualified from the competition.
Russia's men's quadruple sculls crew have been banned from the Rio Olympics after one of their members failed a doping test in May, the world governing body FISA said on Friday.
Russian whistleblower Yulia Stepanova will not appeal to the Court of Arbitration for Sport over her ban on running as an independent athlete at the Rio Olympics, she said on Friday.
The decision by the World Anti-Doping Agency (WADA), imposed a four-year ban on Russia participating in a range of top-flight sporting tournaments, a period covering the 2020 Tokyo Summer Olympics, the 2022 Beijing Winter Olympics and the 2022 soccer World Cup.
Norwegian Ski Federation said it does not want Russian athletes
Russia was banned from the world's top sporting events for four years on Monday, a period that includes the next summer and winter Olympics and the 2022 World Cup in Qatar, for tampering with doping-related laboratory data. The World Anti-Doping Agency concluded that Moscow had tampered with laboratory data by planting fake evidence and deleting files linked to positive doping tests that could have helped identify drug cheats.
Chaudhary did not get off to the best of starts and, with a score of 47.7, was placed eighth in the standings after the first five shots.
The IBA has also welcomed the presence of an IOC monitoring group, which would "see first-hand IBA's best practices regarding technical and competitions rules, specifically its heralded bout review process," the federation said.
Olympic officials have showered praise on South Korea's Winter Games organisers for staging a successful event against the odds, but they have also left it with a warning: don't leave any white elephants behind.
India have been drawn with top seeds and defending champions China, Thailand and hosts Finland for the upcoming Sudirman Cup badminton tournament, making it a tough Group A for the side to negotiate.
The top moments from the Beijing Winter Olympics on Sunday.
Russian gymnasts must be allowed to compete in the Olympic Games and not tarred with the same brush as the country's banned track and field athletes, the International Gymnastics Federation (FIG) said on Monday.