Jonna Jonerup

Jonna Opitz (born 22 July 1969) is a Swedish former professional tennis player. She played under the name Jonna Jonerup.

Biography Jonerup reached a best singles ranking of 147 in the world competing on the professional tour. In 1988 she was a quarter-finalist at the Taipei Women's Championships and had a win over Jana Novotná at the European Indoors in Zurich.

Between 1988 and 1991, Jonerup featured in four Federation Cup ties for Sweden. She was unbeaten in her three doubles rubbers, with her only loss coming in her sole singles appearance.

She is now known as Jonna Opitz and is an executive for manufacturing company Inwido in Malmö.

ITF finals $75,000 tournaments $50,000 tournaments $25,000 tournaments $10,000 tournaments

Singles (3–1) ResultNo.DateTournamentSurfaceOpponentScoreWin 1. 9 May 1987 ITF Bournemouth, United Kingdom Hard Sarah Sullivan 2–6, 6–3, 6–3Loss 2. 27 September 1987 ITF Šibenik, Yugoslavia Clay Hester Witvoet 3–6, 0–6Win 3. 7 February 1988 ITF Stockholm, Sweden Carpet (i) Jennifer Fuchs 6–4, 6–0Win 4. 13 November 1989 ITF Telford, United Kingdom Hard (i) Andrea Müller 2–6, 6–3, 7–5

Doubles (2–4) ResultNo.DateTournamentSurfacePartnerOpponentsScoreLoss 1. 19 January 1987 ITF Stockholm, Sweden Carpet (i) Maria Strandlund Catrin Jexell Helena Olsson 2–6, 3–6Win 2. 2 February 1987 ITF Hørsholm, Denmark Carpet (i) Maria Strandlund Maria Ekstrand Lone Vandborg 6–1, 6–3Loss 3. 21 September 1987 ITF Šibenik, Yugoslavia Clay Maria Strandlund Yvonne der Kinderen Hester Witvoet 3–6, 3–6Loss 4. 1 February 1988 ITF Jönköping, Sweden Carpet (i) Maria Strandlund Jennifer Fuchs Jill Smoller 2–6, 4–6Win 5. 8 February 1988 ITF Stavanger, Norway Carpet (i) Maria Strandlund Sophie Amiach Lisa Bobby 6–2, 7–6Loss 6. 24 June 1991 ITF Ronneby, Sweden Clay Simone Schilder Jessica Emmons Maria Lindström 6–3, 2–6, 4–6