Topzle Updated: Wikipedia source
Mingge Olivia "Mimi" Xu (born 2 October 2007) is a British tennis player. She has a career-high singles ranking of world No. 269, achieved on 27 October 2025, and a best WTA doubles ranking of No. 203, set on 14 July 2025.
| Legend |
| W100 tournaments (1–0) |
| W35 tournaments (1–0) |
| Finals by surface |
| Hard (2–0) |
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | Aug 2024 | ITF Aldershot, United Kingdom | W35 | Hard | Haley Giavara | 6–4, 6–1 |
| Win | 2–0 | Oct 2025 | Wrexham Open, UK | W100 | Hard (i) | Mika Stojsavljevic | 6–3, 7–5 |
| Legend |
| W100 tournaments (2–0) |
| W50 tournaments (0–1) |
| W35 tournaments (3–0) |
| W15 tournaments (1–0) |
| Finals by surface |
| Hard (6–1) |
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | Mar 2024 | ITF Monastir, Tunisia | W15 | Hard | Radka Zelníčková | Elena Milovanović Tamira Paszek | 2–6, 6–2, [10–6] |
| Loss | 1–1 | Jul 2024 | ITF Nottingham, UK | W50 | Hard | Katie Swan | Naiktha Bains Amelia Rajecki | 6–1, 4–6, [8–10] |
| Win | 2–1 | Aug 2024 | ITF Aldershot, UK | W35 | Hard | Naiktha Bains | Punnin Kovapitukted Akiko Omae | 6–4, 6–3 |
| Win | 3–1 | Oct 2024 | ITF Reims, France | W35 | Hard (i) | Sarah Beth Grey | Ekaterina Ovcharenko Emily Webley-Smith | 6–3, 6–1 |
| Win | 4–1 | Oct 2024 | GB Pro-Series Shrewsbury, UK | W100 | Hard (i) | Amelia Rajecki | Hannah Klugman Ranah Stoiber | 6–4, 6–1 |
| Win | 5–1 | Oct 2025 | ITF Birmingham, UK | W35 | Hard (i) | Vendula Valdmannová | Alicia Dudeney Katarína Kužmová | 6–3, 7–6(5) |
| Win | 6–1 | Oct 2025 | Wrexham Open, UK | W100 | Hard (i) | Ella McDonald | Amarni Banks Valentina Ryser | 6–2, 6–4 |
| Result | Year | Tournament | Surface | Partner | Opponents | Score |
| Loss | 2024 | Wimbledon | Grass | Mika Stojsavljevic | Tyra Caterina Grant Iva Jovic | 5–7, 6–4, [8–10] |