Bjorn Fratangelo

Bjorn Fratangelo ( ; born July 19, 1993) is an American tennis coach and former professional player.

In 2011, he won the boys' singles title at the French Open defeating Dominic Thiem. Fratangelo was only the second American to win the event, following John McEnroe in 1977.

Early life Fratangelo began playing tennis at age three. and is named after tennis champion Björn Borg. His father, Mario, is his coach. Fratangelo attended St. John the Baptist Catholic School in Plum, Pennsylvania, until the 8th grade. He then moved to Naples, Florida, for training reasons and was an online student of Barron Collier High School.

Personal life In November 2024, he married fellow American tennis player Madison Keys, whom he had been dating since 2017. He is Catholic.

Juniors Fratangelo won the boys' singles title at the 2011 French Open, beating Dominic Thiem in the final. The win propelled him to a career high of No. 2 in the junior rankings. He also played in the junior championship at the 2011 US Open, losing in the third round to eventual champion Oliver Golding in three sets.

Professional 2009-2014: Early years Fratangelo has mainly played on the ITF Pro Circuit since 2009. He played sparsely in both 2009 and 2010, before playing on a much more regular basis in 2011. He made his first final in July 2011 in the USA F17 event in Pittsburgh, losing to Brian Baker in straight sets.

The following month, Fratangelo was given a wildcard for the 2011 US Open qualifiers, losing to Fritz Wolmarans in the first round of qualification.

He reached another final on the ITF Men's Circuit in May 2012, but lost in straight sets to Tennys Sandgren in Tampa, Florida.

In 2013, Fratangelo reached the semifinal in the USA F2 event in Sunrise, Florida, losing to eventual champion Robby Ginepri, and then won his first professional title the following week, beating Arthur De Greef in the final in Weston, Florida. He made his second final in as many weeks when he faced De Greef once again, but lost this time in Palm Coast, Florida.

2015-2017: First major match win and top 100

In April 2016, he won the 2016 French Open Wild Card Challenge by reaching the semifinals in Sarasota and winning the Savannah Challenger the following week. He put the wildcard to good use by defeating compatriot Sam Querrey in the first round of the French Open to crack the top 100 for the first time. His ranking of No. 99 came out on June 6, 2016, which was the 60th birthday of the man he was named after, Björn Borg. This was also his first career-match win in the main draw of a Grand Slam tournament. He lost to ninth seed Richard Gasquet in the second round.

Fratangelo reached the semifinals at the 2017 Hall of Fame Tennis Championships, losing to top seed and eventual champion John Isner.

2021-2023: Mixed doubles debut and first doubles win at the US Open, retirement He qualified for the main draw of the 2021 French Open, but lost to Cameron Norrie in the first round.

At the 2021 US Open, Fratangelo made his debut in mixed doubles with Madison Keys, whom he began dating four years ago. He also paired in men’s doubles with Christopher Eubanks as wildcards where he reached the second round recording his first win in doubles in his career at a Grand Slam over Frances Tiafoe and Nicholas Monroe.

He secured his main draw spot at the 2022 French Open for a second consecutive year at this major with a straight sets win over Nino Serdarušić.

Fratangelo retired from professional tennis in August 2023.

Coaching career Fratangelo began coaching Keys in June 2023 following her second-round loss at Roland Garros. He coached her to her first Grand Slam title at the 2025 Australian Open.

ATP Challenger & ITF Futures finals Singles: 25 (12–13)

LegendATP Challenger Tour (4–8)ITF Futures Tour (8–5)Finals by surfaceHard (6–6)Clay (6–7)Grass (0–0)

Doubles: 12 (2–10) LegendATP Challenger Tour (0–2)ITF Futures Tour (2–8)Finals by surfaceHard (0–3)Clay (2–7)Grass (0–0)

Junior Grand Slam finals Boys' singles: 1 (title)

Singles performance timeline