Karuê Wiele Sell (born 13 November 1993) is a Brazilian professional tennis player, YouTube content creator and former tennis coach. He has a career-high ATP singles ranking of world No. 258, achieved on 18 November 2024 and a doubles ranking of No. 581, achieved on 24 December 2018.
Personal life Sell is a YouTuberL.A.’s challenger: Former UCLA star rejoins pro tennis tour at 30, with a YouTube channel whose eponymous YouTube channel, formerly known as MyTennisHQ,https://youtube.com/watch?v=YR-iyi1eNUc has more than 179,000 subscribers as of September 2025.https://youtube.com/@karue-sell?si=C-d1dVqtWpszV2ai The channel began as an online tennis academy, https://mytennishq.com/about-my-tennis-hq/ before pivoting to focus on Karuê's YouTube series: Turning Pro at 30. With this change, Sell announced that he would rebrand his channel from MyTennisHQ to just Karuê Sell on 25 July 2023.
He moved from his native Brazil to the US aged 18 to attend college at UCLA, graduating with a Bachelor of Science in Geography.Karue Sell Pepperdine
In 2019, Sell played a pro beach tennis event in Hermosa Beach alongside Kevin Michael Schmitz.https://www.itftennis.com/en/players/karue-sell/800743050/bra/bt/d/activity/
Sell lives with his wife and their two dogs in Torrance, California.
Junior career Sell competed on the juniors professional tour, reaching a career-high ranking of world No. 33 and playing in all Grand Slams except Wimbledon. He won the first junior tournament he entered in October 2009 at Porto Seguro. He won his second singles title in March 2010 at a tournament held in Montevideo. Sell reached the semifinals of the 2011 Australian Open doubles draw. He competed in his last junior tournament at US Open qualifying that same year.https://www.itftennis.com/en/players/karue-sell/800743050/bra/jt/s/overview/
College and coaching career Sell played college tennis at UCLA. He subsequently coached the men's tennis team at Pepperdine University for a year, before playing on the ITF Men's Circuit. Following college tennis and collegiate coaching, Sell returned to competition in 2017, before retiring in 2019 to join Naomi Ōsaka's team where he worked as Ōsaka's hitting partner for close to two years. In 2021, Sell later returned to coach at UCLA.KARUE SELL UCLA coach In 2023 he started coaching ATP tennis pro Marcos Giron (with whom he had previously played on the UCLA team).
Professional career In May 2011, while still a junior, Sell won his first pro doubles title at a Futures event in Teresina.
In 2023, while working at UCLA and coaching Marcos Giron, Sell won three UTR Pro Tennis Tour tournaments. Sell turned pro with the aim of entering tournaments as an on-site alternate whilst traveling with Giron. Sell continued to travel and build his world ranking after departing Giron's team, mainly competing in ITF and ATP Challenger Tour events. Sell made his ATP main draw debut at the 2025 Geneva Open after qualifying for the singles main draw.
ITF Futures/World Tennis Tour finals
Singles: 8 (6 titles, 2 runner-ups) LegendITF Futures/WTT (6–2)Finals by surfaceHard (5–2)Clay (1–0)
ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0US F30, ClaremontFuturesHard Martin Redlicki6–7(4–7), 6–4, 6–3Win2–0US F1, Los AngelesFuturesHard Christopher Eubanks6–7(5–7), 6–2, 6–2Win3–0US F10, Little RockFuturesHard Nicolaas Scholtz7–5, 6–2Loss3–1M15 Tucson, USWTTHard Martin Redlicki4–6, 4–6Win4–1M15 Morelia, MexicoWTTHard Johan Alexander Rodríguez7–5, 6–2Win5–1M25 Ithaca, USWTTHard (i) Tristan McCormick6–3, 3–0 ret.Loss5–2M15 San Diego, USWTTHard Learner Tien7–6(8–6), 2–6, 2–6Win6–2M25 Londrina, BrazilWTTClay José Pereira6–4, 6–4
Doubles: 6 (4 titles, 2 runner-ups) LegendITF Futures/WTT (4–2)Finals by surfaceHard (3–2)Clay (1–0)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin1–0Brazil F12, TeresinaFuturesClay Bruno Sant'Anna Rodrigo Pérez Juan Carlos Sáez6–2, 6–7(3–7), [10–7]Win2–0US F30, ClaremontFuturesHard Deiton Baughman Evan Song Benjamin Lock6–4, 7–5Loss2–1US F32, Fountain ValleyFuturesHard Martin Redlicki Elliott Orkin Ronnie SchneiderwalkoverWin3–1US F1, Los AngelesFuturesHard Martin Redlicki Luke Bambridge Hans Hach Verdugo6–4, 6–3Win4–1M15 Tucson, USWTTHard Martin Redlicki Julian Bradley Strong Kirchheimer6–4, 6–1Loss4–2M15 Cancún, MexicoWTTHard Mateus Alves Wilfredo González José Olivares2–6, 7–6(7–3), [8–10]
References
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