Tammi Patterson
Tammi Patterson is a professional Australian tennis player.
Patterson has won one singles title and ten doubles titles on the ITF Women's Circuit. On 21 February 2011, she reached a career-high singles ranking of world No. 289. On 23 October 2017, she peaked at No. 215 in the doubles rankings.
Patterson made her Grand Slam debut at the 2016 Australian Open as a wild-card entry. She lost against former world No. 1 Ana Ivanovic in the first round in straight sets, winning just five games and not being able to force a break point.
ITF Circuit finals
Singles: 2 (1 title, 1 runner–up)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | Nov 2013 | ITF Bendigo, Australia | 50,000 | Hard |  Casey Dellacqua | 3–6, 1–6 |
| Win | 1–1 | Jun 2017 | ITF Tokyo, Japan | 25,000 | Hard |  Peangtarn Plipuech | 6–3, 6–2 |
Doubles: 21 (10–11)
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Winner | 1. | 14 July 2008 | Frinton, United Kingdom | Grass | Emelyn Starr |  Jade Curtis Elizabeth Thomas | 6–3, 7–5 |
| Winner | 2. | 20 June 2009 | Alcobaça, Portugal | Hard | Shannon Golds |  Monica Gorny Jade Windley | 3–6, 6–2, |
| Runner-up | 1. | 29 June 2009 | Cremona, Italy | Clay | Alenka Hubacek |  Benedetta Davato  Lisa Sabino | 5–7, 3–6 |
| Winner | 3. | 24 May 2010 | Velenje, Slovenia | Clay | Alenka Hubacek |  Kateřina Kramperová Pavla Šmídová | 6–1, 3–6, 6–4 |
| Winner | 4. | 6 September 2010 | Cairns, Australia | Hard | Olivia Rogowska | Tyra Calderwood Noppawan Lertcheewakarn | 6–3, 7–6 |
| Runner-up | 2. | 14 September 2010 | Darwin, Australia | Hard | Alenka Hubacek |  Kumiko Iijima Yurika Sema | 4–6, 1–6 |
| Winner | 5. | 15 November 2010 | Wellington, New Zealand | Hard |  Tímea Babos | Jarmila Groth Jade Hopper | 6–3, 6–2 |
| Runner-up | 3. | 27 Aug 2012 | Cairns, Australia | Hard | Tyra Calderwood | Monique Adamczak  Victoria Larrière | 2–6, 6–1, |
| Runner-up | 4. | 5 October 2013 | Perth, Australıa | Hard | Monique Adamczak | Yurika Sema Erika Sema | 5–7, 1–6 |
| Runner-up | 5. | 13 October 2013 | Margaret River, Australıa | Hard | Monique Adamczak | Noppawan Lertcheewakarn  Arina Rodionova | 2–6, 6–3, |
| Runner-up | 6. | 5 April 2014 | Glen Iris, Australia | Clay | Ellen Perez | Jessica Moore  Aleksandrina Naydenova | 4–6, 2–6 |
| Winner | 6. | 28 March 2015 | Mornington, Australia | Clay | Priscilla Hon | Mana Ayukawa Ayaka Okuno | 6–4, 7–6 |
| Winner | 7. | 3 April 2015 | Melbourne, Australia | Clay | Priscilla Hon |  Agata Barańska Sandra Zaniewska | 2–6, 6–4, |
| Winner | 8. | 2 October 2015 | Tweed Heads, Australia | Hard | Kimberly Birrell | Dalma Gálfi Priscilla Hon | 6–7, 6–3, |
| Winner | 9. | 19 February 2016 | Perth, Australia | Hard | Katarzyna Piter |  Han Na-lae Jang Su-jeong | 4–6, 6–2, |
| Runner-up | 7. | 24 February 2017 | Perth, Australia | Hard | Olivia Rogowska | Junri Namigata Riko Sawayanagi | 6–4, 5–7, |
| Winner | 10. | 20 May 2017 | Kurume, Japan | Carpet | Katy Dunne | Erina Hayashi Robu Kajitani | 6–7, 6–2, |
| Runner-up | 8. | 27 May 2017 | Karuizawa, Japan | Carpet | Ayaka Okuno | Chisa Hosonuma Kanako Morisaki | 5–7, 3–6 |
| Runner-up | 9. | 22 July 2017 | Stockton, United States | Hard | Chanel Simmonds |  Usue Maitane Arconada Sofia Kenin | 6–4, 1–6, |
| Runner-up | 10. | 22 September 2017 | Penrith, Australia | Hard | Olivia Rogowska | Naiktha Bains  Abigail Tere-Apisah | 0–6, 5–7 |
| Runner-up | 11. | 1 July 2018 | Stuttgart, Germany | Clay |  Anita Husarić |  Irina Fetecau  Aymet Uzcátegui | 2–6, 6–3, |