title: Petra Kamstra
text: # Petra Kamstra
  
  Petra Kamstra (born 18 March 1974) is a former professional tennis player from the Netherlands, who won one WTA-title in doubles during her career. She reached her individual career-high singles ranking on 2 October 1995, when Kamstra became the number 70 of the world. Twice she was named the Rotterdam Sportswoman of the Year (1990 and 1992).
  
  ## WTA Tour finals
  
  ### Doubles 1 (1–0)
  
  | Legend: Before 2009 | Legend: Starting in 2009 |
  | - | - |
  | Grand Slam tournaments (0) ||
  | WTA Championships (0) ||
  | Tier I (0) | Premier Mandatory (0) |
  | Tier II (0) | Premier 5 (0) |
  | Tier III (0) | Premier (0) |
  | Tier IV & V (0) | International (0) |
  | Outcome | No. | Date | Tournament | Surface | Partner | Opponents | Score |
  | Winner | 1. | 8 October 1995 | Surabaya, Indonesia | Hard | Tina Križan | Nana Miyagi Stephanie Reece | 2–6, 6–4, 6–1 |
  
  ## ITF finals
  
  ### Singles Finals (2-4)
  
  * $100,000 tournaments
  * $75,000 tournaments
  * $50,000 tournaments
  * $25,000 tournaments
  * $10,000 tournaments
  
  | Outcome | No. | Date | Tournament | Surface | Opponent in the final | Score in the final |
  | - | - | - | - | - | - | - |
  | Winner | 1. | 17 July 1989 | Koksijde, Belgium | Clay | Heleen van den Berg | 7–5, 7–5 |
  | Runner-up | 2. | 15 October 1990 | Madeira, Portugal | Hard | Sabine Gerke | 1–6, 1–6 |
  | Winner | 3. | 22 October 1990 | Benin City, Nigeria | Hard | Sarah Bentley | 6–0, 7–5 |
  | Runner-up | 4. | 24 May 1993 | Brindisi, Italy | Clay | Irina Spîrlea | 1–6, 7–5, 3–6 |
  | Runner-up | 5. | 7 June 1993 | Le Havre, France | Clay | Ludmila Richterová | 7–6, 3–6, 4–6 |
  | Runner-up | 6. | 14 August 1995 | Carthage, Tunisia | Clay | María Fernanda Landa | 2–3 ret. |
  
  ### Doubles Finals (2-2)
  
  | Outcome | No. | Date | Tournament | Surface | Partner | Opponent | Score |
  | - | - | - | - | - | - | - | - |
  | Runner-up | 1. | 15 October 1990 | Madeira, Portugal | Hard | Monica Mraz | Cora Linneman Stephanie Mayorkis | 4–6, 5–7 |
  | Winner | 2. | 25 May 1992 | Ashkelon, Israel | Hard | Ilana Berger | Michelle Anderson Limor Zaltz | 6–2, 2–6, 6–4 |
  | Winner | 3. | 24 May 1993 | Brindisi, Italy | Clay | Lara Bitter | Angela Kerek Irina Spîrlea | 7–5, 4–6, 6–2 |
  | Runner-up | 4. | 12 July 1993 | Vigo, Spain | Hard | Linda Niemantsverdriet | María Fernanda Landa Sofia Prazeres | 6–7, 6–3, 6–7 |
  