Career
Köllerer reached a high of #23 in singles and #24 in doubles in January, 2001. In 2001, he beat future pros John Isner and Jo-Wilfried Tsonga, split with Mathieu Montcourt, and lost to Brian Dabul, Dudi Sela, Bruno Echagaray (3 times), Philipp Petzschner, Marcos Baghdatis, Adrian Cruciat, and Rajeev Ram. In 2000, he beat future pros Maximillian Abel and Montcourt, split with Echagaray, and lost to Simone Vagnozzi and Florian Mayer.
Early career through 2002
Köllerer earned his first ranking points as a 16-year-old wild card entry in his first pro tournament, a Futures tournament in Austria in May, 2000, losing to Number.
520 Kristian Pless in the quarterfinals. He slipped from the rankings a year later, but began to rise slowly after turning pro in 2002.
A Futures championship in Jamaica in November, 2002 helped him end the year ranked Number. 640 as a 19-year-old.
Into the top-200 in 2003
Köllerer"s career progressed well in 2003.
He gathered a few ranking points in February on the Spanish Futures circuit, losing twice to 17-year-old Nicolás Almagro. In March, he dominated the Satellite in Italy, winning 3 of the 4 weeks while beating Oliver Marach twice, Ilija Bozoljac, and splitting with Florian Mayer, to get his ranking to Number. 384. On the Italian Futures circuit in May, he earned some more points, beating Diego Hartfield twice, Santiago Ventura, and Édouard Roger-Vasselin to inch his ranking to Number.
348.
Association of Tennis Professionals matches
At the time, Chela was ranked 18, Koubek 66 and Köllerer number 169.
Köllerer reached the third round of qualifying at the 2007 Australian Open, but lost a tight match to Brian Wilson. In 2009 Köllerer made the quarter-finals of the Acapulco event defeating David Nalbandian in the first round.
Köllerer was accused of racism by Brazilian tennis player Júlio Silva, who filed charges against him after a match on the Association of Tennis Professionals Challenger Tour at Reggio Emilia, in Italy, on June 2010. Silva accused Köllerer of calling him "monkey" and telling him to "go back to the jungle", imitating monkey movements.
Köllerer also had problems with other players.
Stefan Koubek was disqualified from an Austrian league match after grabbing Daniel Köllerer by the throat during a changeover. Koubek said Köllerer insulted him during the match. "I"m man enough not to let myself be insulted, especially not by him," Koubek was reported as saying by the Austrian Times.
In 2006, the Association of Tennis Professionals fined and suspended Köllerer for six months for bad behavior.
In 2011, Köllerer was banned for life for match fixing and was fined $100,000 United States dollar by the Tennis Integrity Unit. This ban was upheld by the Court of Arbitration for Sport in March 2012.
However, the court overturned the fined amount as he had not benefited financially from any of the charges for which he had been found liable. Köllerer played with a Head racket.
Singles titles (9)
Singles finals (9).
