| Beier Ko | |
| Country: | (2001-2005) (2006-2007) |
| Birth Date: | 17 July 1986 |
| Birth Place: | Singapore |
| Retired: | 2007 |
| Plays: | Right-handed (two-handed backhand) |
| Careerprizemoney: | 28,315 |
| Singlestitles: | 1 ITF |
| Highestsinglesranking: | No. 299 (14 June 2004) |
| Australianopenjuniorresult: | QF (2003) |
| Frenchopenjuniorresult: | 1R (2003) |
| Wimbledonjuniorresult: | 2R (2003) |
| Usopenjuniorresult: | 2R (2003) |
| Highestdoublesranking: | No. 329 (12 August 2002) |
| Australianopendoublesjuniorresult: | QF (2001) |
| Frenchopendoublesjuniorresult: | 1R (2003) |
| Usopendoublesjuniorresult: | 2R (2002) |
| College: | Harvard University |
| Team: | yes |
Beier Ko (born 17 July 1986) is a Canadian-Singaporean former professional tennis player.[1]
Beier won 1 single title in 2002 on the ITF Women's Circuit in Toronto. In 2004, she achieved a singles ranking of #299 on the WTA Tour at 17 years old. She decided to follow the college route and played for the Harvard University Crimson varsity tennis team from 2007 to 2009.[2] In 2009, Beier Ko was undefeated and unanimously named Ivy League Player of the Year.[3] She was also named to the All-Ivy first team in singles and doubles.[4]
Playing for Singapore at the 2007 Fed Cup, Ko has accumulated a win–loss record of 3–2.[5]
Ko was born in Singapore but moved with her family to Canada when she was 4 years old. In 2005, she exchanged her Canadian passport for Singapore and represented Singapore in the 2007 Fed Cup.[6]
In 2016, Ko married technology executive, Reed Wotiz who has led teams at Microsoft, Meta, Oracle, and Indeed. She has two sons named Dylan and Max Wotiz
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Aug 2008 | ITF Toronto, Canada | 10,000 | Hard | 6–2, 6–2 | ||
| Loss | 1–1 | ITF Lachine, Canada | 10,000 | Hard |  Aleksandra Wozniak | 0–6, 3–6 | ||
| Loss | 1–2 | ITF Hamilton, Canada | 25,000 | Clay | 3–6, 3–6 |
| Edition | Stage | Date | Location | Against | Surface | Opponent | W/L | Score |
|---|---|---|---|---|---|---|---|---|
| R/R | Christchurch, New Zealand | Hard |  Albina Khabibulina | L | 2–6, 4–6 | |||
 South Korea | Lee Jin-a | W | 6–4, 6–3 | |||||
 Thailand | Nungnadda Wannasuk | W | 2–6, 6–3, 6–2 | |||||
 Hong Kong | Zhang Ling | L | 3–6, 6–1, 2–6 | |||||
| P/O |