Karuê Sell

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 YouTuber whose eponymous YouTube channel, formerly known as MyTennisHQ, has more than 179,000 subscribers as of September 2025. The channel began as an online tennis academy, 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.

In 2019, Sell played a pro beach tennis event in Hermosa Beach alongside Kevin Michael Schmitz.

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.

College and coaching career Sell played college tennis at UCLA. He subsequently coached the men's tennis team at Pepperdine University for a year, where he worked as Ōsaka's hitting partner for close to two years. In 2021, Sell later returned to coach at UCLA. 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.

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)

Doubles: 6 (4 titles, 2 runner-ups) LegendITF Futures/WTT (4–2)Finals by surfaceHard (3–2)Clay (1–0)