| Katherine Ip | |
| Birth Date: | 17 September 1995 |
| Birth Place: | San Francisco, California, U.S. |
| Careerprizemoney: | $16,885 |
| Singlestitles: | 2 ITF |
| Highestsinglesranking: | 662 (4 November 2013) |
| Australianopenjuniorresult: | 2R (2013) |
| Frenchopenjuniorresult: | 1R (2013) |
| Wimbledonjuniorresult: | 2R (2013) |
| Usopenjuniorresult: | 1R (2013) |
| Doublestitles: | 2 ITF |
| Highestdoublesranking: | 543 (16 October 2017) |
| Australianopendoublesjuniorresult: | 2R (2013) |
| Frenchopendoublesjuniorresult: | 1R (2013) |
| Wimbledondoublesjuniorresult: | 1R (2013) |
| Usopendoublesjuniorresult: | 2R (2013) |
| Team: | yes |
Katherine Cheng Ip (; born 17 September 1995) is an American-born former Hong Kong tennis player.
Ip was ranked as high as 35 in the world in juniors and is one of the few tennis players in Hong Kong to have participated in all four junior Grand Slam tournaments. She won two singles titles and two doubles titles on the ITF Circuit. In November 2013, she reached her highest WTA singles ranking of 662. In October 2017, she reached her best doubles ranking of world No. 543.
Ip had graduated from Rice University in Houston, Texas (class of 2017) with a 4.0 GPA. At Rice, she played tennis for the Owls. Ip was the third player in program's history to earn an All-American status when she won a pair of matches at the NCAA Division 1 Tennis Championship.She is an external vice president for the Hong Kong Students' Association. She organizes events and maintains the budget of the Hong Kong Student Association.[1]
Playing for Hong Kong in Fed Cup, Ip has a win–loss record of 11–2.
She made her WTA Tour main-draw debut at the 2016 Hong Kong Open in doubles, partnering Eudice Chong.
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| Result | No. | Date | Tournament | Surface | Opponent | Score | |
|---|---|---|---|---|---|---|---|
| Win | 1. | 1 December 2012 | ITF Kolkata, India | Hard |  Rishika Sunkara | 2–6, 6–3, 6–3 | |
| Win | 2. | 19 August 2013 | ITF New Delhi, India | Hard | Shweta Rana | 6–3, 6–3 | |
| Loss | 3. | 27 July 2014 | ITF New Delhi | Hard |  Kim Da-bin | 1–6, 3–6 |
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| Result | No. | Date | Tournament | Surface | Partner | Opponents | Score | |
|---|---|---|---|---|---|---|---|---|
| Loss | 1. | 25 July 2015 | ITF Hong Kong, China S.A.R. | Hard |  Eudice Chong | Choi Ji-hee Lee So-ra | 2–6, 2–6 | |
| Win | 1. | 10 July 2016 | ITF Gimcheon, South Korea | Hard | Jessy Rompies | Kim Hae-sung Kim Mi-ok | 6–3, 6–3 | |
| Win | 2. | 15 July 2016 | ITF Hong Kong | Hard | Eudice Chong |  Alexandra Bozovic Kaylah McPhee | 6–2, 6–2 | |
| Loss | 2. | 24 June 2017 | ITF Taipei, Taiwan | Hard | Eudice Chong | Cho I-hsuan Cho Yi-tsen | 2–6, 3–6 |