![Sam Querrey of the U.S. returns a shot to compatriot James Blake during their quarter-final match in the 2007 Cincinnati Masters tennis tournament in Cincinnati, Ohio, August 17, 2007. REUTERS/John Sommers II ( Sam Querrey of the U.S. returns a shot to compatriot James Blake during their quarter-final match in the 2007 Cincinnati Masters tennis tournament in Cincinnati, Ohio, August 17, 2007. REUTERS/John Sommers II (](https://c8.alamy.com/comp/2E7XAGY/sam-querrey-of-the-us-returns-a-shot-to-compatriot-james-blake-during-their-quarter-final-match-in-the-2007-cincinnati-masters-tennis-tournament-in-cincinnati-ohio-august-17-2007-reutersjohn-sommers-ii-united-states-2E7XAGY.jpg)
Sam Querrey of the U.S. returns a shot to compatriot James Blake during their quarter-final match in the 2007 Cincinnati Masters tennis tournament in Cincinnati, Ohio, August 17, 2007. REUTERS/John Sommers II (
![USA's Huber with Zimbabwe's Black won the women double final of the 2008 US Open tennis tournament at the USTA National Tennis Center in New York City, NY, USA on September 7, USA's Huber with Zimbabwe's Black won the women double final of the 2008 US Open tennis tournament at the USTA National Tennis Center in New York City, NY, USA on September 7,](https://c8.alamy.com/comp/2E57AGY/usas-huber-with-zimbabwes-black-won-the-women-double-final-of-the-2008-us-open-tennis-tournament-at-the-usta-national-tennis-center-in-new-york-city-ny-usa-on-september-7-2008-photo-by-corinne-dubreuilcameleonabacapresscom-2E57AGY.jpg)
USA's Huber with Zimbabwe's Black won the women double final of the 2008 US Open tennis tournament at the USTA National Tennis Center in New York City, NY, USA on September 7,
![Tennis - Madrid Open - Rafael Nadal of Spain v Sam Querrey of USA - Madrid, Spain - 5/5/16 Nadal returns the ball. REUTERS/Juan Medina Stock Photo - Alamy Tennis - Madrid Open - Rafael Nadal of Spain v Sam Querrey of USA - Madrid, Spain - 5/5/16 Nadal returns the ball. REUTERS/Juan Medina Stock Photo - Alamy](https://c8.alamy.com/comp/2CPXAGY/tennis-madrid-open-rafael-nadal-of-spain-v-sam-querrey-of-usa-madrid-spain-5516-nadal-returns-the-ball-reutersjuan-medina-2CPXAGY.jpg)
Tennis - Madrid Open - Rafael Nadal of Spain v Sam Querrey of USA - Madrid, Spain - 5/5/16 Nadal returns the ball. REUTERS/Juan Medina Stock Photo - Alamy
![Spain's Carlos Moya defeats, 7-5, 6-3, 6-3, Costa Rica's Juan Antonio Marin in their first round of the French Tennis Open at Roland Garros arena in Paris, France on May 28, 2006. Spain's Carlos Moya defeats, 7-5, 6-3, 6-3, Costa Rica's Juan Antonio Marin in their first round of the French Tennis Open at Roland Garros arena in Paris, France on May 28, 2006.](https://c8.alamy.com/comp/2E9AGY3/spains-carlos-moya-defeats-7-5-6-3-6-3-costa-ricas-juan-antonio-marin-in-their-first-round-of-the-french-tennis-open-at-roland-garros-arena-in-paris-france-on-may-28-2006-photo-by-christophe-guibbaudcameleonabacapresscom-2E9AGY3.jpg)