Nicolai Budkov Kjaer | Bio | ATP Tour

Started playing tennis in Oslo, Norway when he was six. Went to a tennis class close to his school to try the sport, and liked it.
Is coached by his father, Alexander Kjaer.
Describes his playing style as 'aggressive, quite bold and sometimes weird'.
Favourite shot is serve. Favourite surface is grass.
Favourite cities on Tour so far are Stockholm, because it reminds him of Norway, and Bastad.
Tennis idol is his father. 'It doesn’t really matter what results I do, as long as he is proud and happy, I am happy.'
Off court, describes himself as 'relaxed, kind of goofy and sometimes funny'
Loves ice hockey. Favourite team is Vålerenga in Norway.
Favourite hobbies are playing ice hockey in the off season, spending time with friends and family, and playing golf.
Favourite movie is Cars, and his favourite TV series is The Last Dance: 'Michael Jordan was such a [dedicated] athlete. The prime example of how competitive an athlete can be.'
Favourite musicians are Drake and The Weeknd, as well as Norwegian groups Bausa and Streetboys.
Favourite book is the autobiography of Norwegian cross-country skier Petter Northug.
Favourite food is a burger.
Favourite subject at school was maths.
Ideal day without tennis is waking up late, going to a coffee shop for a bun and coffee. Then spend time with friends and have dinner with family.

(UPDATED 17 DECEMBER 2025)

Former World No. 1 junior earned 1st ranking point at age 17 in March 2024, broke into Top 300 in February 2025, Top 200 in July 2025 and achieved career-high No. 132 in November 2025.
Recorded wins over Rolis and Faria in Davis Cup before making ATP Tour debut at 2025 Bastad as Q, defeating Monteiro in 1R, losing to Baez in 2R.
Owns 36-18 Challenger record (4-0 in finals), capturing 1st title at 2025 Glasgow in February, defeating countryman Durasovic in second all-Norwegian final in ATP Challenger Tour history (1998 Furth - Ruud d. Andersen).
Peaked at No. 1 in juniors in July 2024 after runs to Roland Garros boys’ doubles title w/Schwaerzler and Wimbledon boys’ singles title to become first Norwegian man to win a Grand Slam singles title at any level.