| Country (sports) |  Ireland |
|---|---|
| Born | (1966-06-11) 11 June 1966 (age 58) Wimbledon, England |
| Height | 1.70 m (5 ft 7 in) |
| Plays | Right-handed |
| Prize money | $21,494 |
| Singles | |
| Career record | 44–38 |
| Career titles | 3ITF |
| Highest ranking | No. 259 (16 November 1992) |
| Grand Slam singles results | |
| Wimbledon | Q1 (1983, 1992) |
| Doubles | |
| Career record | 50–42 |
| Career titles | 4 ITF |
| Highest ranking | No. 309 (15 July 1991) |
| Grand Slam doubles results | |
| Wimbledon | Q1 (1992, 1993) |
Siobhán Nicholson (born 11 June 1966) is an Irish former professional tennis player.
Nicholson, a London-born player of Irish parentage, represented the Ireland Federation Cup team from 1983 to 1993. She featured in a total of 28 ties for Ireland, winning 10 singles and 12 doubles rubbers.[1]
While competing on the professional tour, Nicholson reached a career best singles ranking of 259 in the world, which was at the time the highest ever ranking attained by an Irish woman player.[2]
Nicholson played college tennis in the United States for the University of Florida, where she earned All-American honours for singles in both 1988 and 1989.[3]
| Legend |
|---|
| $25,000 tournaments |
| $10,000 tournaments |
| Result | No. | Date | Tournament | Surface | Opponent | Score |
|---|---|---|---|---|---|---|
| Win | 1. | 12 June 1988 | Alvor, Portugal | Clay |  Nicole Polasek
|
6–3, 6–2 |
| Win | 2. | 19 June 1988 | Madeira, Portugal | Hard |  Themis Zambrzycki
|
1–6, 6–4, 8–6 |
| Win | 3. | 5 May 1991 | Basingstoke, United Kingdom | Hard |  Caroline Hunt
|
6–2, 6–1 |
| Loss | 1. | 24 November 1991 | ITF Okada, Nigeria | Hard | Aurora Gima
|
1–6, 3–6 |
| Loss | 2. | 5 April 1992 | Windhoek, Namibia | Hard | Sarah Bentley
|
2–6, 3–6 |
| Result | No. | Date | Tournament | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|
| Win | 1. | 12 June 1988 | Alvor, Portugal | Clay | Nicole Polasek
|
 Leisa Dunn  Colette Sely
|
6–2, 6–3 |
| Loss | 1. | 19 August 1990 | Chatham, United States | Hard | Kirsten Dreyer
|
Kathy Foxworth Shannan McCarthy
|
2–6, 6–7(6) |
| Win | 2. | 4 November 1990 | Meknes, Morocco | Clay | Gina Niland
|
 Barbara Collet Julie Foillard
|
7–5, 6–3 |
| Win | 3. | 23 June 1991 | Aveiro, Portugal | Hard | Kristine Jonkosky
|
 Christina Zachariadou  Sofia Prazeres
|
6–0, 2–6, 6–2 |
| Win | 4. | 30 June 1991 | Covilhã, Portugal | Clay | Kristine Jonkosky
|
Olivia De Camaret  Mélanie Bernard
|
6–1, 6–3 |
| Loss | 2. | 11 October 1992 | Dublin, Ireland | Hard | Gina Niland
|
Lucie Ahl Julie Salmon
|
5–7, 5–7 |
