# Kristie Ahn

Kristie Hyerim Ahn (born June 15, 1992) is an American former professional tennis player.
In her career, she won seven singles and two doubles titles on the ITF Circuit. On 30 September 2019, she reached her best singles ranking of world No. 87. Her first appearance at a Grand Slam tournament was at 16 at the 2008 US Open. In 2019, she was given a wildcard bid and reached the fourth round of the US Open where she became the first Asian American woman to make the round of 16 at a Grand Slam tournament since Lilia Osterloh accomplished the feat in 2000.
Ahn is of Korean descent and was born in Flushing Hospital, having later lived in Englewood Cliffs, N.J. She graduated from Stanford University in 2014 with a degree in Science, Technology and Society. She played on the Stanford women's tennis team from 2010 to 2014 and was an All-American in singles, ITA National Rookie of the Year, and Pac-10 Championships singles champion.

## Performance timelines

Key :
| W | F | SF | QF | #R | RR | Q# | P# | DNQ | A | Z# | PO | G | S | B | NMS | NTI | P | NH |
Only main-draw results in WTA Tour, Grand Slam tournaments, Fed Cup/Billie Jean King Cup and Olympic Games are included in win–loss records.

### Singles

| Tournament | 2008 | 2009 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | SR | W–L | Win % |
| Grand Slam tournaments ||||||||||||||
| Australian Open | A | A | Q1 | A | 1R | Q2 | 1R | A | 0 / 2 | 0–2 | 0% |
| French Open | A | A | Q2 | Q2 | Q1 | Q1 | 1R | Q1 | 0 / 1 | 0–1 | 0% |
| Wimbledon | A | A | A | Q3 | Q2 | 1R | NH | 2R | 0 / 2 | 1–2 | 33% |
| US Open | 1R | Q2 | Q3 | Q2 | Q2 | 4R | 1R | Q1 | 0 / 3 | 3–3 | 50% |
| Win–loss | 0–1 | 0–0 | 0–0 | 0–0 | 0–1 | 3–2 | 0–3 | 1–1 | 0 / 8 | 4–8 | 33% |
| WTA 1000 ||||||||||||||
| Indian Wells Open | A | A | A | A | Q2 | A | NH | A | 0 / 0 | 0–0 | – |
| Miami Open | A | A | A | A | Q1 | A | NH | Q2 | 0 / 0 | 0–0 | – |
| Canadian Open | A | A | A | A | A | A | NH | Q2 | 0 / 0 | 0–0 | – |
| Cincinnati Open | NT1 | A | A | A | A | Q1 | Q2 | Q1 | 0 / 0 | 0–0 | – |
| Pan Pacific / Wuhan Open | A | A | A | Q1 | A | A | NH | NH | 0 / 0 | 0–0 | – |
| China Open | NT1 | A | A | Q1 | A | Q1 | NH | NH | 0 / 0 | 0–0 | – |
| Career statistics ||||||||||||||
| Tournaments | 1 | 0 | 0 | 5 | 6 | 7 | 5 | 4 | Career total: 29 | Career total: 29 | Career total: 29 |
| Titles | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Career total: 0 | Career total: 0 | Career total: 0 |
| Finals | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Career total: 0 | Career total: 0 | Career total: 0 |
| Overall win–loss | 0–1 | 0–0 | 0–0 | 4–5 | 1–6 | 9–7 | 0–5 | 2–4 | 0 / 29 | 16–29 | 36% |
| Year-end ranking | 443 | 345 | 220 | 106 | 196 | 91 | 108 | 252 | $1,069,413 | $1,069,413 | $1,069,413 |

## ITF Circuit finals
### Singles: 13 (7 titles, 6 runner–ups)

* Legend
* $80,000 tournaments
* $50/60,000 tournaments
* $25,000 tournaments
* $10,000 tournaments
* Finals by surface
* Hard (6–5)
* Clay (1–1)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | May 2008 | ITF Landisville, United States | 10,000 | Hard | Rebecca Marino | 6–3, 2–6, 6–3 |
| Win | 2–0 | Jun 2008 | ITF Houston, United States | 10,000 | Hard (i) | Chan Chin-wei | 7–6$^{(7)}$, 0–6, 7–6$^{(2)}$ |
| Win | 3–0 | Mar 2009 | ITF Hammond, United States | 25,000 | Hard | Sophie Ferguson | 0–6, 6–4, 6–4 |
| Loss | 3–1 | May 2010 | Carson Challenger, United States | 50,000 | Hard | CoCo Vandeweghe | 1–6, 3–6 |
| Win | 4–1 | May 2015 | ITF Changwon, South Korea | 25,000 | Hard | Lee Ye-ra | 6–3, 3–2 ret. |
| Win | 5–1 | Aug 2015 | Winnipeg Challenger, Canada | 25,000 | Hard | Sharon Fichman | 6–2, 7–5 |
| Loss | 5–2 | Apr 2016 | ITF Changwon, South Korea | 25,000 | Hard | Susanne Celik | 2–6, 0–6 |
| Loss | 5–3 | Nov 2016 | Scottsdale Challenge, United States | 50,000 | Hard | Beatriz Haddad Maia | 6–7$^{(4)}$, 6–7$^{(2)}$ |
| Win | 6–3 | Apr 2017 | Dothan Pro Classic, United States | 60,000 | Clay | Amanda Anisimova | 1–6, 6–2, 6–2 |
| Loss | 6–4 | May 2017 | Open Saint-Gaudens, France | 60,000 | Clay | Richèl Hogenkamp | 2–6, 4–6 |
| Win | 7–4 | Nov 2017 | Tyler Pro Challenge, United States | 80,000 | Hard | Danielle Collins | 6–4, 6–4 |
| Loss | 7–5 | Aug 2018 | Landisville Challenge, United States | 60,000 | Hard | Madison Brengle | 4–6, 0–1 ret. |
| Loss | 7–6 | Feb 2019 | Rancho Santa Fe Open, United States | 25,000 | Hard | Nicole Gibbs | 3–6, 3–6 |

### Doubles: 6 (2 titles, 4 runner–ups)

* Legend
* $80,000 tournaments
* $50/60,000 tournaments
* $25,000 tournaments
* Finals by surface
* Hard (0–2)
* Clay (2–1)
* Carpet (0–1)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | May 2010 | Raleigh Challenger, United States | 50,000 | Clay | Nicole Gibbs | Alexandra Mueller Ahsha Rolle | 6–3, 6–2 |
| Loss | 1–1 | Aug 2015 | Winnipeg Challenger, Canada | 25,000 | Hard | Lorraine Guillermo | Sharon Fichman Jovana Jakšić | 2–6, 1–6 |
| Loss | 1–2 | Oct 2015 | Toronto Challenger, Canada | 50,000 | Hard (i) | Fanny Stollár | Sharon Fichman Maria Sanchez | 2–6, 7–6$^{(6)}$, [6–10] |
| Win | 2–2 | Apr 2017 | ITF Indian Harbour Beach, US | 80,000 | Clay | Quinn Gleason | Laura Pigossi Renata Zarazúa | 6–3, 6–2 |
| Loss | 2–3 | Apr 2017 | Dothan Pro Classic, US | 60,000 | Clay | Lizette Cabrera | Emina Bektas Sanaz Marand | 3–6, 6–1, [2–10] |
| Loss | 2–4 | May 2019 | Fukuoka International, Japan | 60,000 | Carpet | Alison Bai | Naomi Broady Heather Watson | w/o |