1. Roberto Schmidt / AFP / Getty Images Tennis world No. 1 Novak Djokovic of Serbia in tears after exiting in round one of the men's singles. 2. Themba Hadebe / AP Reigning Rugby World Cup Sevens champs New Zealand are devastated after losing a shot at the gold against Australia. 3. Fabrice Coffrini / AFP / Getty Images Tunisian fencer Ines Boubakri takes a few minutes alone after losing to Italy's Elisa di Francisca in the women's individual foil semifinal. 4. Clive Rose / Getty Images Chinese swimming hero Sun Yang looks down at his silver hardware after trailing behind Australia's Mack Horton in the men's 400-meter freestyle final. 5. Manan Vatsyayana / AFP / Getty Images India's field hockey captain PR Sreejesh is at a loss for words after losing 3–1 to Belgium during their quarterfinal match. 6. Elsa / Getty Images Austrian judoka Bernadette Graf steps away from the mat after Britain's Sally Conway defeated her in the women's 70-kilogram bronze-medal bout. 7. Damir Sagolj / Reuters The Chinese men's artistic gymnastics team after finishing with a bronze at the team final. 8. Vaughn Ridley / Getty Images Russian swimmer Yulia Efimova is seen behind the USA's Lilly King when King found out she'd won gold in the women's 100-meter breaststroke.And here's a clearer photo of Efimova, who took home silver for the same event... Vaughn Ridley / Getty Images 9. Elsa / Getty Images Georgia's judo fighter Varlam Liparteliani looks despondent as he stands on the podium with a silver medal in the men's 90-kilogram event. 10. Jack Guez / AFP / Getty Images Another judo athlete, Sweden's Marcus Nyman, stays on the floor after South Korean Gwak Donghan bested him in the men's 90-kilogram bronze-medal bout. 11. Miguel Schincariol / AFP / Getty Images Colombian football teammates comfort each other after losing to Brazil 2–0. 12. Manan Vatsyayana / AFP / Getty Images Argentinian goalkeeper Belen Succi on the verge of tears after Australia triumphed over her side in a field hockey group B match. 13. David Rogers / Getty Images Argentinian rugby sevens players fall to the ground after Britain finished their men's quarterfinal match 5–0. 14. Fabrice Coffrini / AFP / Getty Images French fencer Vincent Anstett lifts his mask after losing to Iran's Mojtaba Abedini in the men's individual sabre quarterfinal. 15. Sean M. Haffey / Getty Images Japanese baller Asami Yoshida becomes emotional after her team was defeated by Australia 86–92 in the women's preliminary group B. 16. Dylan Martinez / Reuters US gymnast Danell Leyva looks up after falling from the horizontal bar at the artistic gymnastics final. 17. Leon Neal / AFP / Getty Images Swiss beach volleyball duo Nadine Zumkehr and Joana Heidrich take to the sidelines after a defeat against Brazil in the quarterfinals. 18. Toby Melville / Reuters Tennis world No. 1 Serena Williams of the USA walks off the court after her round-three elimination in the women's singles event. 19. David Ramos / Getty Images Japanese wrestler Shinobu Ota looking devastated after missing out on the gold against Cuba's Ismael Borrero Molina in the men's Greco-Roman 59-kilogram match. 20. Gustavo Andrade / AFP / Getty Images South Korean footballer Jeong Seung-Hyeon drops to his knees as Honduran players celebrate their win in the men's quarterfinal match. 21. Scott Halleran / Getty Images US golfer Patrick Reed balances on his club after missing birdie on the 14th hole of the third round. 22. Ian Walton / Getty Images British athlete Katarina Johnson-Thompson sits in a corner after a failed attempt in the women's heptathlon javelin throw.