Lulu Sun - WTA #127 (2025-10-06)
| wtatennis.com | WTA | Country |  New Zealand |
| Wikipedia | Eng / Fr | Birth | - |
| Career best ranking | Never ranked | Résidence |  Unknown |
| Height | - | ||
| Weight | - |
| Conditions | W | D | ratio |
|---|---|---|---|
| Hard (out.) | 12 | 17 | 41.38% |
| Grass | 4 | 2 | 66.67% |
| Clay | 2 | 4 | 33.33% |
| Hard (in.) | 0 | 1 | 0.00% |
| TOTAL | 18 | 24 | 42.86% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-08-25 | GS |  WTA US Open | Hard (out.) | 32e | #95 |  #22 Elise Mertens | 6/2 6/3 | |
| 2 | 2025-08-25 | GS | WTA US Open | Hard (out.) | 64e | #95 |  #61 Maria Camila Osorio Serrano | 6/4 2/6 6/0 | |
| 3 | 2025-08-18 | 500 |  Monterrey Open WTA | Hard (out.) | 16e | #95 |  #23 Linda Noskova | 7/6(2) 7/6(7) | |
| 4 | 2025-08-07 | 1000 | Cincinnati Masters WTA | Hard (out.) | 32e | #95 |  #15 Ekaterina Alexandrova | 6/4 6/2 | |
| 5 | 2025-08-07 | 1000 | Cincinnati Masters WTA | Hard (out.) | 64e | #95 |  #92 Antonia Ruzic | 6/4 6/4 | |
| 6 | 2025-07-27 | 1000 |  Rogers Cup WTA | Hard (out.) | 32e | #95 | #7 Amanda Anisimova | 6/4 7/6(5) | |
| 7 | 2025-07-27 | 1000 | Rogers Cup WTA | Hard (out.) | 64e | #95 |  #137 Sorana Cirstea | 6/3 7/5 | |
| 8 | 2025-06-30 | GS |  Wimbledon WTA | Grass | 64e | #43 |  #44 Marie Bouzkova | 6/4 6/4 | |
| 9 | 2025-05-25 | GS |  WTA Roland Garros | Clay | 64e | #46 | #156 Victoria Mboko | 6/1 7/6(4) | |
| 10 | 2025-05-07 | 1000 |  WTA1000 Rome | Clay | 32e | #44 | #7 Jasmine Paolini | 6/4 6/3 | |
| 11 | 2025-05-07 | 1000 | WTA1000 Rome | Clay | 64e | #44 | #201 Giorgia Pedone | 3/6 6/1 6/3 | |
| 12 | 2025-04-21 | 1000 |  WTA Mutua Madrid Open | Clay | 32e | #44 | #46 Sofia Kenin | 6/3 6/2 | |
| 13 | 2025-04-21 | 1000 | WTA Mutua Madrid Open | Clay | 64e | #44 | #65 Varvara Gracheva | 3/6 6/1 6/4 | |
| 14 | 2025-03-18 | 1000 | Miami WTA 1000 | Hard (out.) | 64e | #49 |  #67 Mayar Sherif | 7/5 1/6 6/4 | |
| 15 | 2025-03-03 | 1000 | WTA Indian Wells Masters | Hard (out.) | 16e | #43 |  #8 Qinwen Zheng | 6/4 7/5 | |
| 16 | 2025-03-03 | 1000 | WTA Indian Wells Masters | Hard (out.) | 32e | #43 | #33 Linda Noskova | 6/1 6/4 | |
| 17 | 2025-03-03 | 1000 | WTA Indian Wells Masters | Hard (out.) | 64e | #43 |  #46 Rebecca Sramkova | 6/3 1/6 7/6(2) | |
| 18 | 2025-02-24 | 500 | Merida Open (WTA) | Hard (out.) | 16e | #43 | #46 Rebecca Sramkova | 6/3 6/1 | |
| 19 | 2025-02-16 | 1000 |  Dubai WTA | Hard (out.) | 32e | #45 | #10 Paula Badosa | 6/3 6/4 | |
| 20 | 2025-02-09 | 1000 |  Doha WTA | Hard (out.) | 32e | #45 | #21 Liudmila Samsonova | 6/3 6/3 | |
| 21 | 2025-02-03 | 500 | Abu Dhabi Open WTA | Hard (out.) | 8e | #45 | #27 Leylah Fernandez | 6/0 6/3 | |
| 22 | 2025-02-03 | 500 | Abu Dhabi Open WTA | Hard (out.) | 16e | #45 | #76 Caroline Garcia | 6/1 6/3 | |
| 23 | 2025-01-27 | 500 |  Linz - WTA Linz | Hard (in.) | 16e | #43 | #99 Sara Sorribes Tormo | 6/3 6/3 | |
| 24 | 2025-01-12 | GS |  WTA Australian Open | Hard (out.) | 64e | #43 |  #1293 Danka Kovinic | 6/3 7/5 | |
| 25 | 2024-09-25 | 1000 | China Open WTA | Hard (out.) | 32e | #41 | #59 Ashlyn Krueger | 6/1 7/6(4) | |
| 26 | 2024-08-26 | GS | WTA US Open | Hard (out.) | 64e | #57 | #69 Lucia Bronzetti | 6/3 ret. | |
| 27 | 2024-08-19 | 500 | Monterrey Open WTA | Hard (out.) | F | #55 | #27 Linda Noskova | 7/6(6) 6/4 | |
| 28 | 2024-08-19 | 500 | Monterrey Open WTA | Hard (out.) | DF | #55 | #28 Ekaterina Alexandrova | 7/5 3/6 7/6(6) | |
| 29 | 2024-08-19 | 500 | Monterrey Open WTA | Hard (out.) | QF | #55 | #91 Erika Andreeva | 6/4 6/3 | |
| 30 | 2024-08-19 | 500 | Monterrey Open WTA | Hard (out.) | 8e | #55 |  #89 Maria Lourdes Carle | 6/3 2/6 7/6(2) | |
| 31 | 2024-08-19 | 500 | Monterrey Open WTA | Hard (out.) | 16e | #55 | #106 Chloe Paquet | 7/6(3) 6/3 | |
| 32 | 2024-08-12 | 1000 | Cincinnati Masters WTA | Hard (out.) | 16e | #55 |  #19 Marta Kostyuk | 6/3 7/5 | |
| 33 | 2024-08-12 | 1000 | Cincinnati Masters WTA | Hard (out.) | 32e | #55 | #27 Linda Noskova | 6/4 7/6(4) | |
| 34 | 2024-07-28 | OG | JO - Olympic Games - WTA | Clay | 32e | #167 | #27 Marta Kostyuk | 6/4 6/3 | |
| 35 | 2024-07-01 | GS | Wimbledon WTA | Grass | QF | #167 | #37 Donna Vekic | 5/7 6/4 6/1 | |
| 36 | 2024-07-01 | GS | Wimbledon WTA | Grass | 8e | #167 | #303 Emma Raducanu | 6/2 5/7 6/2 | |
| 37 | 2024-07-01 | GS | Wimbledon WTA | Grass | 16e | #167 | #56 Lin Zhu | 7/6(4) 7/6(6) | |
| 38 | 2024-07-01 | GS | Wimbledon WTA | Grass | 32e | #167 | #138 Yulia Starodubtseva | 4/6 6/3 6/2 | |
| 39 | 2024-07-01 | GS | Wimbledon WTA | Grass | 64e | #167 | #7 Qinwen Zheng | 4/6 6/2 6/4 | |
| 40 | 2024-02-19 | 1000 | Dubai WTA | Hard (out.) | 16e | #200 |  #16 Jelena Ostapenko | 6/4 6/3 | |
| 41 | 2024-02-19 | 1000 | Dubai WTA | Hard (out.) | 32e | #200 | #52 Paula Badosa | 6/4 ret. | |
| 42 | 2024-01-14 | GS | WTA Australian Open | Hard (out.) | 64e | #200 | #31 Elisabetta Cocciaretto | 6/1 7/5 |
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