Jack Pinnington Jones (born 30 March 2003) is a British professional tennis player. He has a career-high singles ranking of No. 134 achieved on 2 March 2026 and a doubles ranking of No. 966 achieved on 17 March 2025. He is the current British No. 5 in singles. He has won five titles on the ITF Men's World Tennis Tour and one title on the ATP Challenger Tour.
Pinnington Jones attended Texas Christian University in the United States, completing his junior year before pursuing professional tennis.
In 2021 he became the top ranked British junior and seventh-ranked junior in the world.
Given a wildcard into qualifying for the 2021 Wimbledon Championships â Men's singles qualifying when he was 18 years-old, Pinnington Jones overcame a deficit of 983 ranking places to win 6-4 6-3 against Brazilian Joao Menezes in the first round. He also reached the quarterfinals of the 2021 Wimbledon boys' singles tournament.
He won his first professional tournament in October 2021 in Antalya on the ITF World Tennis Tour, only dropping two sets in his six matches on the way to the title.
He was awarded a wildcard alongside Aidan McHugh into the doubles main draw at the 2024 Nottingham Open. He also entered the qualifying for the singles and knocked out Ryan Peniston and Felix Gill to reach the main draw. He then beat Arthur Fery before overcoming British No. 1 player Cameron Norrie, in three sets, to reach the quarterfinals.
In June 2024, on his Major debut, he was awarded a wildcard into the men's doubles event of the 2024 Wimbledon Championships alongside compatriot Jacob Fearnley. At the same tournament he participated in the qualifying competition in singles where he also received a wildcard.
In June, Pinnington Jones reached his first Challenger singles final at the Ilkley Open, losing to seventh seed Tristan Schoolkate in three sets. He made his ATP Tour debut at the Eastbourne Open, losing to eighth seed Nuno Borges. Thanks to his final showing in Ilkley, Pennington Jones was awarded a wildcard to make his Grand Slam main-draw singles debut at Wimbledon. He recorded his first major win, defeating Tomás MartÃÂn Etcheverry in the first round, before losing in the second round to 22nd seed Flavio Cobolli.
In July, Pinnington Jones won his maiden Challenger title at the Nottingham Challenger II, defeating fellow Briton Kyle Edmund in the final in what proved to be Edmund's final match as a professional.
He won his second Challenger title in September at the Winston-Salem Challenger, overcoming Trevor Svajda in the final and going through the entire tournament without losing a set. As a result he reached a new career-high ranking of world No. 177 on 15 September 2025.
Having entered qualifying for the 2026 Australian Open, he lost in straight sets to Belgian Gilles Arnaud Bailly in January 2026. The following month, he recorded a straight sets win over world No. 20 Flavio Cobolli at the 2026 Dallas Open, for the loss of only four games to reach the round of 16. Next he defeated Eliot Spizzirri to reach his first tour-level quarterfinal and first at the ATP 500-level. Despite losing in the last eight to Marin ÃÂiliÃÂ, Pinnington Jones rose to a new career-high ATP ranking of world No. 138 as a result of his performance at the tournament.
Pinnington Jones is from Ashtead in Surrey. A member of the LTA's pro-scholarship programme, Pinnington Jones is part of the JTC coaching Academy and is sponsored by ASICS, and coached by Marina Caiazzo. In 2021, he signed with Andy Murray's management company 77 Sports Management.