Began playing tennis at age 4 and started playing at home against a wall quite a lot before moving to a tennis court Youngest in family with brother, Panu played pro tennis briefly and reached a career-high No. 591 in doubles in May2019. Sisters, Ida and Else-Adelia, who also played tennis growing up Father, Pasi, played pro tennis and ranked a career-high No. 302 in June 1985. Coached his son during early stages of his career As a junior, ranked a career-high No. 13 in the world (year-end No. 6 in doubles) in 2018 and advanced to QF at Australian Open juniors in 2019. Also won Orange Bowl singles title and Wimbledon junior doubles title w/Erel in 2018 Speaks Finnish, Swedish, Estonian and English Considers serve as best shot and hard courts favorite surface Favorite tournament is Wimbledon and New York favorite city on tour Idolized Roger Federer growing up and Messi his favorite athlete Favorite food is sushi & poke bowl

Former Top 10 junior broke into Top 200 in November 2022 after capturing 1st Challenger title in Bergamo as Q and achieved career-high No. 109 in April 2023 after winning Challenger titles in Lugano and Lille

Made tour-level debut playing for Finland at 2020 Davis Cup, earning first 8 tour-level wins in Davis Cup play, including wins over No. 39 McDonald and No. 68 van de Zandschulp to lead Finland into 2023 Davis Cup SF

Qualified for US Open in 2023-2024 and 2024 Wimbledon, earning first Grand Slam main draw win by defeating Purcell in Wimbledon 1R, then lost to No. 13 Paul in fifth set

Owns 67-45 Challenger record (5-0 in finals), including titles this season in Pau and Lugano

For 1st Challenger title at 2022 Bergamo, he defeated current Top 50 players Zhang in 2R, Borges in SF and Struff in final

Peaked at No. 6 in juniors in 2018 after capturing 2018 Orange Bowl singles title and 2018 Wimbledon boys' doubles title w/Erel