Tommy Haas was joined by Roger Federer in officially announcing his retirement from professional tennis on Thursday in Indian Wells.

Roger Federer congratulates Tommy Haas on his career as the former World No. 2 announces his retirement Thursday night in Indian Wells.

Tournament Director Tommy Haas does a Q&A during the draw ceremony at the BNP Paribas Open.

A number of ATP World Tour players, including Andy Murray, centre, to the left of Jack Nicklaus, participated in the "Fore Love" tournament.

Tommy Haas poses with the Generali Open trophy at the player party in Kitzbühel on Wednesday.

Tommy Haas is defeated by fellow German Jan-Lennard Struff in his final appearance in Kitzbühel.

Haas and his wife Sara commemorated his last appearance in Kitzbühel with a photoshoot in typical Tyrolean clothing.

Tommy Haas and wife Sara Foster pose in traditional Tyrolean outfits ahead of the Generali Open.

Tommy Haas falls to Nicolas Kicker on Tuesday in his last match in Hamburg.

Haas made his hometown tournament debut in Hamburg 20 years ago, reaching the semi-finals.

Tommy Haas and his family visited the Elbe Philharmoic Hall in Hamburg this weekend.

Hamburg native Tommy Haas will make his 12th appearance at the German Tennis Championships this week.

Facundo Bagnis needs two hours and 28 minutes to beat Tommy Haas in the Bastad first round on Tuesday.

Tommy Haas waves farewell to Court 16 after his last match at Wimbledon.

Tommy Haas falls to Bernard Tomic in his last professional grass-court match on German soil.

Tommy Haas says farewell to Gerry Weber Open fans with daughter Valentina in his arms.

Tommy Haas leaves Stuttgart as the oldest ATP World Tour quarter-finalist since Jimmy Connors in 1995.

Tommy Haas' inspired run in Stuttgart ends in the quarter-finals.

Mischa Zverev prevails over Tommy Haas in a battle of German veterans.

Tommy Haas' daughter, Valentina, joins him for the press conference after his loss on Friday.

Tommy Haas joins Djokovic and Hewitt as the only players to beat Federer twice on grass.

Tommy Haas beats Roger Federer on grass for the second consecutive time on Wednesday at the MercedesCup in Stuttgart.

Tommy Haas saved a match point en route to his second-round upset over Roger Federer.

Long-time friends Roger Federer and Tommy Haas embrace at the net after Haas' upset win on Wednesday in Stuttgart.

Tommy Haas beats Roger Federer for the fourth time in their FedEx ATP Head2Head series on Wednesday in Stuttgart.