Jenkins began to climb up the Professional Darts Corporation world rankings during 2005 by producing good performances in the tour events, which are played away from the television cameras.

[5] In October 2006, he started to reproduce this form in front of the cameras by reaching the quarter-finals of the 2006 Las Vegas Desert Classic and the final of the 2006 World Grand Prix in Dublin, Ireland.

Terry's good form continued into the World Matchplay where he reached the final after beating Taylor in a superb display of clinical finishing.

Jenkins lost to Shepherd in the first round of the 2008 PDC World Championship, a result which saw him lose confidence which saw his best form desert him on occasions.

To add to his poor run of form, Jenkins was knocked out in the first round of the 2008 European Championship Darts, by Carlos Rodriguez of Spain, who was then ranked 91 in the world.

He got through to the semi-finals of the 2009 Grand Slam of Darts following a sensational 10–9 win over James Wade in the 2nd round and then defeated Robert Thornton in the quarter-finals before he was beaten in the semis by Scott Waites.

He made the second round of the 2010 Players Championship Finals where he gave Phil Taylor an almighty scare but narrowly lost a terrific match 8–7.

Jenkins's poor form continued into the 2010 World Matchplay Darts with a 10–6 first round defeat to Steve Brown, who was ranked No 49 in the Order of Merit at the start of the match.

Jenkins had a decent 2010 Grand Slam of Darts, beating Tony O'Shea in the 2nd round before succumbing to a final leg decider to James Wade.

Terry Jenkins made a nervy start to the 2011 World Championship, narrowly beating Bradford born Joe Cullen in the first round 3 sets to 2.

In week seven in Cardiff Terry Jenkins lost to the Aussie Simon Whitlock 8–3 but The Bull hit four 180's he's currently sixth in the 888poker.com darts premier league.

[15] Jenkins played in his third World Matchplay semi-final in July, following wins over Kim Huybrechts (11–9), Raymond van Barneveld (13–10) and Adrian Lewis (16–12).

[19][20] After all 33 ProTour events of 2012 had been played, Jenkins was 13th on the Order of Merit, which qualified him for the Players Championship Finals where he faced Mervyn King in the first round.

[29] Jenkins finished top of group 4 in the Championship League having won six of his seven games and then beat Gary Anderson 6–1 in the semi-finals and Michael van Gerwen 6–5 in the final despite the Dutchman hitting a nine darter.

[31] Jenkins twice fought back from a set down in the first round of the 2014 World Championship against Per Laursen to level the game and then threw a nine-dart finish in the second leg of the decider.

[37] At the Players Championship Finals he knocked out Van Gerwen for the second time in a major event this season with a 10–7 success, but Wes Newton defeated Jenkins 10–5 in the quarter-finals.

[38] From level at 1–1 against Michael van Gerwen in the third round of the 2015 World Championship, Jenkins lost a trio of sets in deciding legs to be defeated 4–1.

[40] Jenkins reached his first European Tour final at the Gibraltar Darts Trophy by eliminating reigning champion James Wade 6–2, but would lose 6–3 to Van Gerwen.

[43] He qualified for the first World Series of Darts Finals and a pair of 6–5 victories over Chris Dobey and Gary Anderson saw him reach the quarter-finals, where he lost 10–6 to Adrian Lewis.

[49] Jenkins announced that after the 2017 World Championship he would be semi-retiring from the PDC circuit, as travelling for the events like those on the European Tour was taking its toll on him and would instead do more exhibitions and practice sessions, as well as continuing his love of buying and selling antiques.

[50][51] In the second round he recovered from 3–1 down to Benito van de Pas to level at 3–3 and then missed one match dart at double 20 to seal the comeback win and was defeated 4–3.

In 2006, he was seeded 15 and won his first match against Jimmy Mann before falling in the last 32 to Andy Hamilton, who also ended Jenkins hopes in the 2007 World Championship, this time at the quarter-final stage by 5 sets to 4.

Jenkins managed to break his Alexandra Palace hoodoo (which included becoming the first player to ever be whitewashed in the 2007 Premier League Darts by Colin Lloyd), in the 2010 PDC World Championship by beating Paul Nicholson 3–2 in a tense affair.