Ksenia Gaydarzhi
Ksenia Sergeyevna Gaydarzhi is a Russian tennis player.
Gaydarzhi has won two singles titles on the ITF tour in her career. On 21 September 2015, she reached her best singles ranking of world number 483. On 16 November 2015, she peaked at world number 796 in the doubles rankings.
Gaydarzhi made her WTA tour main draw debut at the 2014 Baku Cup. Having been awarded a wild card, she played Serbian qualifier Vesna Dolonc in the first round, losing in straight sets.
ITF finals (2–3)
Singles (2–1)
| Outcome | No. | Date | Tournament | Surface | Opponent | Score |
| Runner-up | 1. | 4 May 2015 | Mytilene, Greece | Hard |  Julia Stamatova | 6–7, 6–1, 6–7 |
| Winner | 1. | 13 July 2015 | Sharm el-Sheikh, Egypt | Hard |  Julia Jones | 7–5, 3–6, 6–2 |
| Winner | 2. | 7 September 2015 | Antalya, Turkey | Hard |  Fanny Östlund | 7–6, 6–1 |
Doubles (0–2)
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Runner-up | 1. | 6 April 2015 | Antalya, Turkey | Hard |  Sara Tomic |  Alona Fomina  Chantal Škamlová | 2–6, 1–6 |
| Runner-up | 2. | 26 October 2015 | Stockholm, Sweden | Hard | Anette Munozova | Cornelia Lister Hilda Melander | 4–6, 3–6 |