Wayne Odesnik (born November 21, 1985) is a South African-born American retired professional left-handed tennis player, with a two-handed backhand.

[2][3] His father, Harold, is a jeweler who owns a store in Aventura, just north of Miami, Florida, and his mother, Janice, is a former South African competitive gymnast who is now a computer coordinator.

Odesnik reached one Futures doubles final with Josh Goffi, but lost to Scott Lipsky and David Martin.

[13] He went on to the main draw of the ATP Masters Series Canada, and upset Ivan Ljubičić in three sets, before going down to Frank Dancevic.

In December, Alex Kuznetsov, Jesse Levine, and Odesnik were invited by the USTA to play off in a round-robin for the wild-card berth in the Australian Open.

At Wimbledon he arrived on court against 24th-seed Jarkko Nieminen with heavy strapping on his thigh, and succumbed to injury after losing the opening set 6–3.

[23][24] Odesnik underwent rehab on an injured Muscle in his left hip; a small tear in his groin that he had suffered in a tournament in Poland.

[25] In August he beat Bobby Reynolds in Los Angeles, Sébastien Grosjean in New Haven, and at the US Open Fabio Fognini.

[3] In February, Odesnik won the Home Depot Center USTA Challenger in Carson, California, beating Vincent Spadea in the semifinals.

Seeded fourth, Odesnik dropped only one set in five tournament matches—to fifth-seeded Jesse Levine in the quarterfinals, in a match that took over three hours.

[26] In April at the U.S. Men's Clay Court Championships in Houston, Texas at River Oaks Country Club, Odesnik defeated third-seeded Jürgen Melzer of Austria (winning 94% of his second-serve points),[27] beat fellow American John Isner in a 2:37 quarterfinal marathon,Mens Clay Court Championship and defeated Björn Phau in the semifinals to reach his first ATP World Tour final, in which he lost to Lleyton Hewitt.

[29][30] At the 2009 French Open Odesnik lost in three hours and 43 minutes on the main Court Philippe Chatrier to the hometown favorite Gilles Simon.

[34] Officials at Betfair did not suspect anything untoward, noting that an announcement had been made on TV shortly before the match that Odesnik was injured.

[36] On March 26, 2010, after having reached a world ranking of 98 in professional tennis, Odesnik pleaded guilty to importing human growth hormone (HGH) to Australia, prior to the Brisbane International, a warm-up event for the Australian Open.

[37] On April 19, Odesnik agreed to a voluntary suspension from the tour while awaiting a hearing by an independent tribunal, which was expected to take place around June 2010.

[41] In January 2013, it was revealed that Odesnik's name appeared in handwritten records of Biogenesis of America, a former Miami sports clinic linked to a performance-enhancing drug scandal in Major League Baseball.

[44] Unranked, Odesnik received a main draw wild card for ITF Futures event U.S.A. F1, and reached the quarter-finals.

Odesnik started the year as the sixth seed at the Seguros Bolívar Open, a Challenger event, where he won the singles title by defeating Adrian Ungur in the final.