| Lya Isabel Fernández Olivares | |
| Birth Date: | 24 July 2007 |
| Careerprizemoney: | $31,067 |
| Singlestitles: | 1 ITF |
| Highestsinglesranking: | No. 702 (14 November 2022) |
| Currentsinglesranking: | No. 1324 (19 August 2024) |
| Highestdoublesranking: | No. 1428 (19 December 2022) |
| Updated: | 20 August 2024 |
Lya Isabel Fernández Olivares (born 24 July 2007) is an inactive Mexican tennis player.
She reached a best singles ranking of world No. 702 in November 2022.[1] On the ITF Circuit, she has won one title in singles.
In 2022, Fernández Olivares won her first title in singles in Cancún, Mexico.[2]
Fernández Olivares made her WTA Tour singles debut at the 2023 Guadalajara Open where she entered the main draw as a wildcard player.
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Jul 2022 | ITF Cancún, Mexico | W15 | Hard |  Victoria Rodríguez | 3–6, 1–6 | |
| Win | 1–1 | Jul 2022 | ITF Cancún, Mexico | W15 | Hard |  Sophia Biolay | 6–3, 6–2 | |
| Loss | 1–2 | Aug 2022 | ITF Cancún, Mexico | W15 | Hard |  Eryn Cayetano | 2–6, 2–6 |