The 27-year-old, who became the first man to reach the semi-finals on their Grand Slam debut in the Open era at the Australian Open last month, edged out his in-form compatriot 6-2, 4-6, 6-4.
Dubai Tennis Championships: Andrey Rublev overcomes Marton Fucsovics challenge; Denis Shapovalov enters semi-final
Second-seeded Rublev extended his winning streak at 500-level tournaments to 23 matches in a row after he overcame Hungarian Marton Fucsovics 7-5, 6-2.
Dubai Tennis Championships: Elina Svitolina crashes out against Svetlana Kuznetsova; 'fiery' Coco Gauff reaches last 16
Kuznetsova rallied back from a set and an early break down to knock out the two-time champion and record her 21st match-win in Dubai
Roger Federer's the best but Novak Djokovic remains Rafael Nadal's most difficult opponent, says ex-coach Toni
The “GOAT” (Greatest of all Time) debate in men’s tennis has divided opinion for a decade and remains a hot topic as the trio continue to dominate, having won the last 13 majors.
Dubai Tennis Championships: World No 1 Novak Djokovic beats Stefanos Tsitsipas in straight sets to win title for fifth time
After saving match points to reach the final, top-ranked Novak Djokovic was scarcely troubled as he beat Stefanos Tsitsipas 6-3, 6-4 on Saturday to win the Dubai Championships for the fifth time.
Dubai Tennis Championships: Novak Djokovic saves three match points to beat Gael Monfils in semi-final
World No 1 Novak Djokovic saved three match points to beat France’s Gael Monfils 2-6, 7-6(8), 6-1 on Friday as he set up a final showdown at the Dubai Open with Greek second seed Stefanos Tsitsipas.
Dubai Tennis Championships: Simona Halep’s newfound offense and Elena Rybakina’s risk-free power produce thrilling final
Halep's running forehand will always be a thing of pure joy. But now there’s the stand-and-deliver forehand too; that is the thing that will win her the big titles against the big hitters
Dubai Tennis Championships: Simona Halep captures 20th singles title with tiebreaker win over Elena Rybakina
It was the second Dubai Tennis Championships title for the current Wimbledon champion Simona Halep
Dubai Tennis Championships: Simona Halep stages comeback against Aryna Sabalenka to reach semi-finals, will face Jennifer Brady
Halep had to save a match point against Ons Jabeur on Wednesday and again found herself in trouble against the hard-hitting Sabalenka.
Top seed Simona Halep survived an early scare and saved a match point to beat Tunisia’s Ons Jabeur 1-6, 6-2, 7-6(7) in the last 16 of the Dubai Duty Free Tennis Championships on Wednesday.
Dubai Tennis Championships: Sania Mirza and doubles partner Caroline Garcia advance to pre-quarter-final with hard-fought win
Sania Mirza and her partner Caroline Garcia registered a hard-fought win over Russia's Alla Kudryavtseva and Slovenia's Katarina Srebotnik to advance to the women's doubles pre-quarterfinals at the Dubai Open.
Australian Open champion Sofia Kenin, defending champion Belinda Bencic and third seed Elina Svitolina made swift exits at the Dubai Duty Free Tennis Championships after they all fell in the first round on Tuesday.
Dubai Tennis Championships: Kim Clijsters loses in straight sets against Garbine Muguruza on return to WTA Tour
Kim Clijsters' first WTA Tour match since 2012 ended with a 6-2, 7-6 (6) loss to Garbine Muguruza at the Dubai Championships.
Kim Clijsters' long awaited return to the tennis court happened in front of a sizeable crowd in Dubai against Garbine Muguruza and at times it looked like it was 2011.
Indian Wells 2019: Petra Kvitova says meeting Monica Seles at last year's Wimbledon after horrific attack was critical
Petra Kvitova says a meeting with former world number one Monica Seles at Wimbledon last year, where they discussed returning to the sport after a knife attack, had been one of the most important of her life.
Dubai Tennis Championships: Roger Federer begins quest for 100th career title with win over Philipp Kohlschreiber
Roger Federer began his charge for a 100th career title by dispatching Philipp Kohlschreiber 6-4, 3-6, 6-1 on a windy centre court in the first round of the Dubai Championships.
Dubai Tennis Championships: Belinda Bencic’s never-say-die march to the title is great news for the WTA tour
Bencic may have some long shadows around her, but she has shown this week that she’s good enough to jump out of them – and create her own striking identity.
Dubai Tennis Championships: Daria Kasatkina downs qualifier Magdalena Frech in first round; Garbine Muguruza advances
Russia’s Daria Kasatkina roared back from a break down in the deciding set to beat Polish qualifier Magdalena Frech 6-3 3-6 6-4 in the opening round of the Dubai Duty Free Tennis Championships on Sunday.
Qatar Open: Caroline Wozniacki, Naomi Osaka become latest stars to withdraw from tournament due to injury
Caroline Wozniacki and Naomi Osaka were joined on the sidelines by Australian world number 14 Ashleigh Barty, and 19th-ranked Caroline Garcia of France
Dubai Tennis Championships: Leander Paes and partner Jamie Cerretani lose in final to Jean-Julien Rojer-Horia Tecau
Paes, playing his 97th ATP World Tour event, and America's Cerretani lost the final 2-6 6-7(2) in one hour and 27 minutes.