The 64th German International Tennis Championships took place from August 10 to August 17, 1970 on the Rothenbaum in Hamburg .
Six years after her victory in the mixed competition, Helga Hösl won the women's final against Helga Niessen this time . The now married three-time defending champion Judy Dalton could only defend her title in mixed, this time at the side of Frew McMillan . The two Australians Karen Krantzcke and Kerry Melville won the women's doubles . For the first time, prize money was also announced in the women's area.
Due to the commitment of the professionals, the tournament was not included in the men's Grand Prix series set up by the ILTF for the first time this year .
The men's singles winner received $ 4,000 and the men's doubles pairing received $ 2,000. In the women’s category, the single winner was earmarked $ 1,500 and the winning pair was earmarked for $ 800.
Tony Roche
Tom Okker Marty Riessen
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Bob Hewitt Frew McMillan.svg){kind=small}
Ilie Năstase
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Winnie Shaw Virginia Wade