Karuê Sell
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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, 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 Osaka's team where he worked as Osaka'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,[clarification needed] 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)
| Legend | |
|---|---|
| Legend ITF Futures/WTT (6–2) | Finals by surface Hard (5–2) Clay (1–0) |
| ITF Futures/WTT (6–2) | |
| Finals by surface | |
| Hard (5–2) | |
| Clay (1–0) |
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Win | 1–0 | Sep 2017 | US F30, Claremont | Futures | Hard | United States Martin Redlicki | 6–7(4–7), 6–4, 6–3 |
| Win | 2–0 | Jan 2018 | US F1, Los Angeles | Futures | Hard | United States Christopher Eubanks | 6–7(5–7), 6–2, 6–2 |
| Win | 3–0 | Apr 2018 | US F10, Little Rock | Futures | Hard | South Africa Nicolaas Scholtz | 7–5, 6–2 |
| Loss | 3–1 | Feb 2019 | M15 Tucson, US | WTT | Hard | United States Martin Redlicki | 4–6, 4–6 |
| Win | 4–1 | Oct 2023 | M15 Morelia, Mexico | WTT | Hard | Colombia Johan Alexander Rodríguez | 7–5, 6–2 |
| Win | 5–1 | Jan 2024 | M25 Ithaca, US | WTT | Hard (i) | United States Tristan McCormick | 6–3, 3–0 ret. |
| Loss | 5–2 | May 2024 | M15 San Diego, US | WTT | Hard | United States Learner Tien | 7–6(8–6), 2–6, 2–6 |
| Win | 6–2 | Aug 2024 | M25 Londrina, Brazil | WTT | Clay | Brazil José Pereira | 6–4, 6–4 |
Doubles: 6 (4 titles, 2 runner-ups)
| Legend | |
|---|---|
| Legend ITF Futures/WTT (4–2) | Finals by surface Hard (3–2) Clay (1–0) |
| ITF Futures/WTT (4–2) | |
| Finals by surface | |
| Hard (3–2) | |
| Clay (1–0) |
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | May 2011 | Brazil F12, Teresina | Futures | Clay | Brazil Bruno Sant'Anna | Chile Rodrigo Pérez Chile Juan Carlos Sáez | 6–2, 6–7(3–7), [10–7] |
| Win | 2–0 | Sep 2017 | US F30, Claremont | Futures | Hard | United States Deiton Baughman | United States Evan Song Zimbabwe Benjamin Lock | 6–4, 7–5 |
| Loss | 2–1 | Sep 2017 | US F32, Fountain Valley | Futures | Hard | United States Martin Redlicki | United States Elliott Orkin United States Ronnie Schneider | walkover |
| Win | 3–1 | Jan 2018 | US F1, Los Angeles | Futures | Hard | United States Martin Redlicki | United Kingdom Luke Bambridge Mexico Hans Hach Verdugo | 6–4, 6–3 |
| Win | 4–1 | Feb 2019 | M15 Tucson, US | WTT | Hard | United States Martin Redlicki | Republic of Ireland Julian Bradley United States Strong Kirchheimer | 6–4, 6–1 |
| Loss | 4–2 | Mar 2019 | M15 Cancún, Mexico | WTT | Hard | Brazil Mateus Alves | Guatemala Wilfredo González Dominican Republic José Olivares | 2–6, 7–6(7–3), [8–10] |