Jubb is the son of an English father and Kenyan mother, both of whom died before he was nine. At the age of four Jubb was spotted playing tennis at Pickering Park near his home in Hull. He was spotted by tennis coach Jonny Carmichael. Carmichael coached Jubb into his teenage years where he trained at the LTA-accredited Nuffield Health Tennis Academy in Hull.[3]
Career
2015: Juniors
In 2015 he won the under 16 Boys singles title at the LTA British Nationals.[4]
Ranked No. 289, at the 2024 Mallorca Championships he qualified for the main draw and reached his first ATP semifinal with wins over two qualifiers Maximilian Marterer and Adam Walton,[9][10] and finally top seed Ben Shelton, for his first top-20 win.[11] As a result he moved close to 90 positions up, back to one position shy of the top 200 and only eight positions from his career-high of No. 193.[12]