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Céline Naef (born 25 June 2005) is a Swiss tennis player.
She has career-high WTA rankings of No. 121 in singles, achieved on 16 October 2023, and No. 122 in doubles, reached on 18 November 2024.
Naef has won one doubles title on the WTA Challenger Tour along with six singles and five doubles titles on the ITF Circuit.
Career
Junior years
Naef had a successful junior career. Her career-high ranking as a junior was world No. 4. In 2022, Naef won a prestigious tournament for juniors, the Trofeo Bonfiglio (Grade A). In 2022, Naef reached the final of the French Open, partnering Nikola Bartůňková. In July 2022, she played in the final of the European Youth Championship held in Klosters, Switzerland which she lost to Victoria Jiménez Kasintseva.
2022: ITF Circuit titles
Naef played and won her first final in Monastir, Tunisia, in March 2022. In October 2022, she became champion in both singles and doubles in Reims, France. A week later, she won another singles title in Cherbourg-en-Cotentin defeating Spanish player Irene Burillo Escorihuela in the final.
2023: WTA Tour debut, major and top 125 debuts
Naef started the season with a title in Loughborough, England where she became the champion by defeating British Eliz Maloney in the final. In February, Naef played her first $40k tournament finals, and became the champion in both singles and doubles in Porto, Portugal.
The 17 years old made her WTA Tour debut as a wildcard at the 2023 Rosmalen Open in 's-Hertogenbosch, Netherlands and recorded her first tour-level win at the grass court event, defeating wildcard Venus Williams. Next, she defeated eighth seed Caty McNally, before losing to top seed Veronika Kudermetova in the quarterfinals.
She made her Grand Slam tournament debut at Wimbledon after qualifying but lost in the first round to 22nd seed Anastasia Potapova.
2024
Naef at the 2024 Rosmalen Open
Ranked No. 161, she received again a wildcard for the Rosmalen Open in 's-Hertogenbosch and defeated qualifier Elizabeth Mandlik, before losing to second seed and eventual champion Liudmila Samsonova.
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (P#) preliminary round; (DNQ) did not qualify; (A) absent; (Z#) Davis/Fed Cup Zonal Group (with number indication) or (PO) play-off; (G) gold, (S) silver or (B) bronze Olympic/Paralympic medal; (NMS) not a Masters tournament; (NTI) not a Tier I tournament; (P) postponed; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.
Only main-draw results in WTA Tour, Grand Slam tournaments, Billie Jean King Cup and Olympic Games are included in win–loss records.
The first Premier 5 event of the year has switched back and forth between the Dubai Tennis Championships and the Qatar Ladies Open since 2009. Dubai was classified as a Premier 5 event from 2009 to 2011 before being succeeded by Doha for the 2012–2014 period. In 2015, Dubai regained its Premier 5 status while Doha was demoted to Premier status. The Premier 5 tournaments were reclassified as WTA 1000 tournaments in 2021.
Naef at the 2023 French Open
Switzerland
Nikola Bartůňková
Viktorija Golubic
Erika Andreeva
Tímea Babos 
Heather Watson
Nina Stojanović
Weronika Falkowska 
Lara Schmidt
Manon Léonard
Irene Burillo Escorihuela
Lucrezia Stefanini
Suzan Lamens
Irina Balus
Yanina Wickmayer
Tara Würth
Francisca Jorge 
Laura Pigossi
Prarthana Thombare
Tamara Zidanšek
Oksana Kalashnikova 
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