ITF W75 Ricany | 03/14 11:05 | 26 | [192] Anastasia Tikhonova v Lulu Sun [151] | 6-2,4-6,6-4 | |
ITF W75 Ricany | 03/13 15:50 | 25 | [215] Talia Gibson v Lulu Sun [151] | 4-6,5-7 | |
ITF W75 Trnava | 03/04 09:00 | 54 | [151] Lulu Sun v Lucie Havlickova [283] | 6-2,3-6,6-7 | |
ITF W50 Trnava | 02/27 14:00 | 25 | [178] Zeynep Sonmez v Lulu Sun [151] | 0-6,6-4,6-3 | |
WTA Dubai | 02/20 11:05 | 25 | [9] Jelena Ostapenko v Lulu Sun [181] | 6-4,6-3 | |
WTA Dubai | 02/19 14:50 | 24 | [74] Paula Badosa v Lulu Sun [181] | Retired | |
ITF W50 Roehampton | 02/18 10:30 | 29 | [202] Lulu Sun v Heather Watson [132] | 7-5,7-5 | |
ITF W50 Roehampton | 02/17 11:45 | 28 | [202] Lulu Sun v Nikola Bartunkova [278] | 6-4,6-4 | |
ITF W50 Roehampton | 02/16 12:25 | 27 | Mika Stojsavljevic v Lulu Sun | 3-6,3-6 | |
ITF W50 Roehampton | 02/15 15:10 | 26 | [328] Barbora Palicova v Lulu Sun [202] | 2-6,0-6 | |
ITF W50 Roehampton | 02/14 16:10 | 25 | Merel Hoedt v Lulu Sun | 1-6,2-6 | |
WTA Hua Hin | 01/27 08:15 | 14 | [121] Mai Hontama v Lulu Sun [193] | 6-2,6-2 | |
Australian Open Women | 01/16 00:00 | 23 | [66] Elisabetta Cocciaretto v Lulu Sun [193] | 6-1,7-5 | |
Australian Open Women | 01/12 03:30 | 19 | [155] Zeynep Sonmez v Lulu Sun [189] | 4-6,6-3,2-6 | |
Australian Open Women | 01/11 04:15 | 15 | [158] Su Jeong Jang v Lulu Sun [189] | 1-6,6-1,4-6 | |
Australian Open Women | 01/10 04:50 | 14 | [189] Lulu Sun v Heather Watson [142] | 6-4,6-3 | |
WTA Auckland | 01/04 02:30 | 26 | [214] Lulu Sun v Varvara Gracheva [42] | 3-6,4-6 | |
WTA Auckland | 01/01 23:00 | 25 | [217] McCartney Kessler v Lulu Sun [214] | 4-6,3-6 | |
WTA Auckland | 12/30 22:00 | 19 | [138] Viktoria Hruncakova v Lulu Sun [214] | 6-7,6-7 | |
WTA Auckland | 12/30 00:05 | 45 | [214] Lulu Sun v Destanee Aiava [209] | 6-2,6-2 | |
ITF W60 Calgary | 11/10 19:25 | 27 | [257] Stacey Fung v Lulu Sun [219] | 6-0,4-6,6-3 | |
ITF W60 Calgary | 11/09 20:50 | 26 | Martina Okalova v Lulu Sun | 3-6,3-6 | |
ITF W60 Calgary | 11/07 23:15 | 25 | [473] Robin Anderson v Lulu Sun [219] | 5-7,6-2,4-6 | |
WTA Midland | 10/31 14:00 | 25 | [141] Katherine Sebov v Lulu Sun [223] | 6-3,3-6,7-5 | |
WTA Midland | 10/30 16:15 | 19 | [223] Lulu Sun v Louisa Chirico [255] | 6-1,6-1 | |
WTA Midland | 10/29 20:25 | 14 | [223] Lulu Sun v Conny Perrin [339] | 6-2,6-1 | |
ITF W60 Toronto | 10/27 17:00 | 27 | [318] Marina Stakusic v Lulu Sun [223] | 4-6,7-6,6-4 | |
ITF W60 Toronto | 10/26 16:45 | 26 | [260] Fanni Stollar v Lulu Sun [223] | 4-6,2-6 | |
ITF W60 Toronto | 10/25 16:35 | 25 | [371] Katarina Jokic v Lulu Sun [223] | 2-6,1-6 | |
ITF W60 Rancho Santa Fe | 10/15 18:50 | 29 | [247] Lulu Sun v Yulia Starodubtseva [202] | 5-7,3-6 |
Lulu Sun is a Swiss tennis player. She has a career-high singles ranking by the WTA world of No. 151, achieved on 26 February 2024, and a best doubles ranking of No. 329, reached on 27 June 2022.
Sun has represented Switzerland as a junior, finishing runner-up with Violet Apisah in the 2018 Australian Open girls' doubles, but also played under the New Zealand flag at junior Wimbledon that year, losing in the second round in singles and the first round in doubles.
Sun played college tennis at the University of Texas at Austin and turned pro after graduating in 2022. She won her first big ITF title at the 2022 Saint-Gaudens Open, partnering Fernanda Contreras in doubles, and made her WTA Tour main-draw debut at the 2022 Morocco Open just two days later, where she received a wildcard into the singles draw.
She made her Grand Slam debut at the 2024 Australian Open , and recorded her first win at the WTA 1000 level at the 2024 Dubai Tennis Championships as a wildcard following the retirement of Paula Badosa. As a result she moved to a new career-high singles ranking of No. 151 on 26 February 2024.