Name: Lulu Sun
Country: Switzerland
Birthdate: 14.04.01, 21 years
WTA ranking: 237
TOP ranking's position: 237 (20.03.23, 28300 points)
Points: 283
Prize money: 104014 $
Matches total: 300
Win: 189
%: 63 %
Country: Switzerland
Birthdate: 14.04.01, 21 years
WTA ranking: 237
TOP ranking's position: 237 (20.03.23, 28300 points)
Points: 283
Prize money: 104014 $
Matches total: 300
Win: 189
%: 63 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2023 | 19/8 | 9/4 | 4/2 | 6/2 | 0/0 | 0/0 | 0/0 |
| 2022 | 32/25 | 16/13 | 7/6 | 1/1 | 2/1 | 6/4 | 0/0 |
| 2021 | 27/13 | 19/9 | 8/4 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2020 | 26/11 | 24/9 | 2/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 22/4 | 17/3 | 0/0 | 0/0 | 0/0 | 5/1 | 0/0 |
| 2018 | 24/17 | 14/9 | 1/3 | 0/0 | 8/4 | 1/1 | 0/0 |
| 2017 | 29/17 | 17/9 | 12/6 | 0/0 | 0/0 | 0/2 | 0/0 |
| 2016 | 4/9 | 2/1 | 2/7 | 0/0 | 0/0 | 0/1 | 0/0 |
| 2015 | 6/7 | 6/7 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 189/111 | 124/64 | 36/30 | 7/3 | 10/5 | 12/9 | 0/0 |
| perc. % | 63 % | 65.96 % | 54.55 % | 70 % | 66.67 % | 57.14 % | 0 % |
Lulu Sun / scheduled / last
| 30.03.23 | 2nd round | Lulu Sun | Darya Astakhova | match details |  W40 Murska | I. hard |
Lulu Sun form
Lulu Sun / last 50 matches
| 28.03.23 | 1st round | Lulu Sun | Nikola Bartunkova | 6-4, 6-3 |  | match details | W40 Murska | I. hard |
| 24.03.23 | 1/4 | Katarina Zavatska | Lulu Sun | 3-6, 6-4, 6-4 |  | match details | W40 Maribor | I. hard |
| 23.03.23 | 2nd round | Lulu Sun | Antonia Ruzic | 6-0, 3-6, 6-1 | | match details | ||
| 22.03.23 | 1st round | Lulu Sun | Katie Boulter | 6-4, 6-4 | | match details | ||
| 17.03.23 | 1/4 | Raluca Georgiana Serban | Lulu Sun | 7-65, 3-6, 6-4 | | match details |  W60 Pretoria | Hard |
| 16.03.23 | 2nd round | Lulu Sun | Clara Vlasselaer | 6-3, 7-65 | | match details | ||
| 14.03.23 | 1st round | Lulu Sun | Mai Hontama | 7-5, 7-5 | | match details | ||
| 11.03.23 | 1/2 | Lina Glushko | Lulu Sun | 6-3, 6-4 | | match details | W25 Pretoria | Hard |
| 10.03.23 | 1/4 | Lulu Sun | Alina Korneeva | 7-5, 6-4 | | match details | ||
| 09.03.23 | 2nd round | Lulu Sun | Timea Babos | 6-3, 6-4 | | match details | ||
| 07.03.23 | 1st round | Lulu Sun | Suzanie Pretorius | 6-4, 7-64 | | match details | ||
| 08.02.23 | 1st round | Rebecca Peterson | Lulu Sun | 6-1, 5-7, 6-2 | | match details |  W60 Orlando | Hard |
| 07.02.23 | qual. | Lulu Sun | Marine Partaud | 6-0, 6-3 | | match details | ||
| 06.02.23 | q 1 | Lulu Sun | Dasha Ivanova | 6-3, 6-0 | | match details | ||
| 04.02.23 | 1/2 | Peyton Stearns | Lulu Sun | 7-63, 6-3 | | match details | W60 Rome | I. hard |
| 03.02.23 | 1/4 | Lulu Sun | Andrea Lazaro Garcia | 6-4, 6-2 | | match details | ||
| 02.02.23 | 2nd round | Lulu Sun | Ann Li | 6-4, 3-6, 6-4 | | match details | ||
| 01.02.23 | 1st round | Lulu Sun | Kayla Cross | 6-4, 6-0 | | match details | ||
| 22.01.23 | fin | Renata Zarazua | Lulu Sun | 6-2, 7-5 | | match details | W25 Boca | Clay |
| 21.01.23 | 1/2 | Lulu Sun | Ashley Lahey | 6-4, 5-7, 6-3 | | match details | ||
| 20.01.23 | 1/4 | Lulu Sun | Allura Zamarripa | 7-64, 1-0, Allura Zamarripa - retired | | match details | ||
| 19.01.23 | 2nd round | Lulu Sun | Lauren Proctor | 6-0, 6-1 | | match details | ||
| 18.01.23 | 1st round | Lulu Sun | Adrienn Nagy | 6-2, 6-2 | | match details | ||
| 11.01.23 | 1st round | Peyton Stearns | Lulu Sun | 6-3, 6-4 | | match details | W25 Naples | Clay |
| 07.01.23 | 1/4 | Renata Zarazua | Lulu Sun | 1-6, 6-0, 6-1 | | match details | W25 Malibu | Hard |
| 06.01.23 | 2nd round | Lulu Sun | Alexandra Vecic | 6-2, 6-4 | | match details | ||
| 06.01.23 | 1st round | Lulu Sun | Fangran Tian | 6-4, 6-4 | | match details | ||
| 23.10.22 | qual. | Aldila Sutjiadi | Lulu Sun | 4-6, 7-66, 3-0, Lulu Sun - retired | | match details |  Tampico | Hard |
| 19.10.22 | 2nd round | Sarah Beth Grey | Lulu Sun | 7-5, 1-6, 6-4 | | match details |  W60 Saguenay | I. hard |
| 17.10.22 | 1st round | Lulu Sun | Jada Bui | 6-1, 6-77, 6-2 | | match details | ||
| 04.10.22 | 1st round | Ayumi Morita | Lulu Sun | 3-6, 7-67, 7-5 | | match details |  W25 Makinohara | Grass |
| 30.09.22 | 1/4 | Momoko Kobori | Lulu Sun | 6-0, Lulu Sun - retired | | match details | W25 Nanao | Carpet |
| 29.09.22 | 2nd round | Lulu Sun | Hayu Kinoshita | 6-2, 6-4 | | match details | ||
| 28.09.22 | 1st round | Lulu Sun | Michika Ozeki | 3-6, 6-3, 6-4 | | match details | ||
| 23.09.22 | 1/4 | Ekaterina Alexandrova | Lulu Sun | 7-5, 7-66 | | match details |  Seoul | Hard |
| 22.09.22 | 2nd round | Lulu Sun | Anna Blinkova | 6-4, 7-66 | | match details | ||
| 19.09.22 | 1st round | Lulu Sun | Lizette Cabrera | 7-66, 6-2 | | match details | ||
| 18.09.22 | qual. | Lulu Sun | Victoria Jimenez Kasintseva | 3-6, 6-3, 6-2 | | match details | ||
| 17.09.22 | q 1 | Lulu Sun | Justina Mikulskyte | 6-4, 6-4 | | match details | ||
| 22.08.22 | 1st round | Diane Parry | Lulu Sun | 6-4, 6-2 | | match details | Granby | Hard |
| 21.08.22 | qual. | Lulu Sun | Jana Fett | 7-63, 6-2 | | match details | ||
| 20.08.22 | q 1 | Lulu Sun | Ena Shibahara | 3-6, 6-1, 6-2 | | match details | ||
| 18.08.22 | 2nd round | Kariann Pierre-Louis | Lulu Sun | Lulu Sun - walk over | | match details | W15 Cancun | Hard |
| 17.08.22 | 1st round | Lulu Sun | Maria Fernanda Martinez Hernandez | 7-5, 6-3 | | match details | ||
| 15.08.22 | q 2 | Lulu Sun | Alessandra Caceres | 6-2, 6-1 | | match details | ||
| 15.08.22 | qual. | Lulu Sun | Mia Saveljic | 7-5, 6-0 | | match details | ||
| 08.08.22 | 1st round | Taylor Townsend | Lulu Sun | 6-3, 6-0 | | match details | Concord | Hard |
| 19.07.22 | 1st round | Ya-Hsuan Lee | Lulu Sun | 5-7, 6-4, 6-3 | | match details |  W60 Vitoria | Hard |
| 13.07.22 | 2nd round | Isabella Kruger | Lulu Sun | 7-5, 6-4 | | match details |  W25 Roehampton | Hard |
| 12.07.22 | 1st round | Lulu Sun | Danielle Daley | 6-4, 6-3 | | match details |