Amos Mansdorf (born October 20, 1965 in Tel Aviv, Israel) is a former professional tennis player from Israel, who is the most successful male player in the country's history.
Mansdorf turned professional in 1983. He won his first tour singles title in 1986 at Johannesburg beating the American Matt Anger in the final. His second singles title came the following year in his home-town of Ramat Hasharon, near Tel Aviv. The third title was in January 1988 at Auckland.
The same year in October he won the biggest title of his career at the Paris Open (now part of the Tennis Masters Series). He beat Brad Gilbert in the final in straight sets 6-3, 6-2, 6-3. Mansdorf won another title at Rosmalen in the Netherlands in 1990.
His best performance at a Grand Slam tournament came at the Australian Open in 1992, where he reached the quarter-finals before being knocked-out by the eventual champion Jim Courier.
Mansdorf's 6th and final career title came in 1993 at Washington DC.
In addition to these 6 titles, he reached 10 finals but lost, 4 of them in Ramat Hasharon.
During his career he won 304 matches and lost 231, and earned prize money of 2,412,691 US$. He reached his career-high ranking of No. 18 in November 1987. He retired in 1994.
In Davis Cup, Mansdorf played 10 years and won 22 matches against 25 losses. He played a major role in Israel's success in this competition, when Israel played 6 years in the world group between 1987 and 1994.
Between 2000 and 2004 he served as Davis Cup captain.
Mansdorf played at the demonstation event of the 1984 Summer Olympics in Los Angeles, and lost in the first round. He also played at 1988 Olympics in Seoul where tennis was an official sport, and this time reached the 3rd round (last-16). He also qualified for 1992 Olympics but had to withdraw due to injury.