Began playing tennis at age 5 after father, a former badminton player, introduced him to tennis.
Father, Ramanathan, and mother, Alagammai, are both intextile business; sister,Uma.
Credits his parents as his biggest inspiration because "they sacrificed a lot for me to do what I like most."
Speaks English, Spanish and Tamil.
Left home to train at Sanchez-Casal Academy in Barcelona at age of 15.
Received bachelor's degree in economics from Loyola College.
Favourite surface is grass, shot is serve and tournament is ATP Masters 1000 Shanghai.
Lists New York as his favourite city on tour.
Idols growing up were Roger Federer and Pete Sampras.
Also enjoys playing badminton and table tennis, but says his secret talent is as a cricket player.
Supports FC Barcelona and their star player Lionel Messi.
Lists Bill Gates as his hero and Superman as his favourite superhero.
Favourite actor is Leonardo DiCaprio and favourite musicians are Ed Sheeran and A. R. Rahman.
Favourite book is "The Inner Gamer of Tennis", movie is Soul Surfer and TV show is Prison Break.
Hobbies include reading and playing poker. Says listening to music is his guilty pleasure.
Supports "Save the Children" charity foundation.
Says his favourite food is Indian "any day."
Dream job is pilot.
Favourite school subject was English.
Says that his best quality is that he's friendly and his worst quality is time management.
(UPDATED 24 JANUARY 2022)
Achieved career-high No. 111 after reaching 2018 Newport final and finished that season at year-end-high No. 133.
Advanced to 1st ATP Tour SF and final at 2018 Newport, joining V. Amritraj, Paes and P. Amritraj as 4th Indian finalist in tournament’s 45-year history.
Earned biggest win of career over No. 8 Thiem 6-3 6-2 to reach 2017 Antalya QF as Q.
Captured 1st Challenger title at 2021 Manama after losing 1st 6 finals of career from 2017-21.
Yet to qualify for a Grand Slam tournament in 23 attempts and for an ATP Masters 1000 event in 8 attempts.
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