Paul Wekesa is a former professional tennis player from Kenya. He won 3 doubles titles, achieved a career-high singles ranking of World No. 100 and reached two tour-level quarterfinals at Auckland in 1989 and Seoul in 1995.
Bradley Klahn is an American professional tennis player from Poway, California.
Steve "Stevie" Johnson Jr. is an American professional tennis player. For one week in August 2016 he was the top-ranked American in men's singles. He has a career-high singles ranking of world No. 21 achieved on July 25, 2016 and a doubles ranking of world No. 39 achieved on May 23, 2016. He has won four ATP Challenger Tour titles and four ATP Tour 250 titles, one at Nottingham on grass, twice at Houston on clay and most recently at Newport on grass. He won a bronze medal in men's doubles at the 2016 Olympics with fellow American Jack Sock.
Robert Rhyne Williams is an American tennis player. He has not played on the ATP Tour since 2018 and is currently a tennis coach at the University of Tennessee.
The 2013 ATP World Tour was the global elite professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2013 tennis season. The 2013 ATP World Tour calendar comprises the Grand Slam tournaments, the ATP World Tour Masters 1000, the ATP World Tour 500 series, the ATP World Tour 250 series, the Davis Cup and the ATP World Tour Finals. Also included in the 2013 calendar is the Hopman Cup, which was organized by the ITF and does not distribute ranking points.
Mate Delić is a Croatian tennis player. He primarily plays on the ITF Futures Tour and ATP Challenger Tour.
Martin Redlicki is an American tennis player of Polish descent.
The 2017 ATP World Tour was the global elite men's professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2017 tennis season. The 2017 ATP World Tour calendar comprised the Grand Slam tournaments, the ATP World Tour Masters 1000, the ATP Finals, the ATP World Tour 500 series, the ATP World Tour 250 series and the Davis Cup. Also included in the 2017 calendar are the Hopman Cup and the Next Gen ATP Finals, which do not distribute ranking points.
Lloyd Glasspool is a British professional tennis player. He has a career high doubles ranking of No. 62 and a career high singles ranking of No. 282. Glasspool made his tour debut at the 2016 Wimbledon Championships having been given a wildcard to partner compatriot Dan Evans in the main draw.
Roberto Cid Subervi is a Dominican–American tennis player.
Yuichi Ito is a Japanese tennis player.
Abdullah Maqdes is a Kuwaiti tennis player.
Adam El Mihdawy is an American tennis player.
William Blumberg is an American tennis player who played college tennis at the University of North Carolina at Chapel Hill. He has a career-high doubles ranking of World No. 165 achieved on 7 February 2022. He reached a career-high of World No. 438 in singles on 18 February 2019.
The 2019 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2019 tennis season. The 2019 ATP Tour calendar comprised the Grand Slam tournaments, the ATP Tour Masters 1000, the ATP Finals, the ATP Tour 500 series, the ATP Tour 250 series and Davis Cup. Also included in the 2019 calendar were the Hopman Cup, the Laver Cup and the Next Gen ATP Finals which do not distribute ranking points. For the Masters series events the ATP introduced a shot clock. Players had a minute to come on court, 5 minutes to warmup, and then a minute to commence play, as well as 25 seconds between points.
The 2021 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2021 tennis season. The 2021 ATP Tour calendar comprised the Grand Slam tournaments, the ATP Finals, the ATP Tour Masters 1000, the ATP Cup, the ATP Tour 500 series and the ATP Tour 250 series. Also included in the 2021 calendar were the Davis Cup, the Summer Olympics in Tokyo, Next Gen ATP Finals, Laver Cup, none of which distributed ranking points.
Keegan Smith is an American tennis player.
Hunter Johnson is an American tennis player.
Michel Koning is a Dutch tennis player. He has a career-high ATP singles ranking of world No. 229 achieved on 15 June 2009, and a career-high ATP doubles ranking of world No. 320 achieved on 18 August 2008.
The 2022 ATP Tour is the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2022 tennis season. The 2022 ATP Tour calendar comprises the Grand Slam tournaments, the ATP Finals, the ATP Tour Masters 1000, the ATP Cup, the ATP 500 series and the ATP 250 series. Also included in the 2022 calendar are the Davis Cup, Next Gen ATP Finals, and Laver Cup, none of which distribute ranking points.
United States 
