Roger Federer, seeded second to Nadal, also was not detained for long as he defeated Ukrainian qualifier Alexandr Dolgopolov 6-4, 6-2.
Dimitrov, ranked eighth in the world, had break point early in the third set, but Nadal saved it with a backhand volley before winning three consecutive games.
Here, Dimitrov extended their quarterfinal to a third set when he rebounded from a 4-2 deficit to win the second-set tiebreaker.
Dimitrov sensed another opportunity in the fifth game of the third set, but Nadal survived the break point.
"It was a very tough match", Nadal said. "Of course, being able to win the US Open, Beijing, and being in the semi-finals here ... But I think he's still very young and he needs to keep learning, as he's doing now", said the Argentine, 23 in the world.
Fognini was playing the day after being handed a suspended ban from two grand slams and $96,000 (A$123,000) fine for verbally abusing a female umpire at the US Open.
Kulsoom Nawaz to undergo chemotherapy session: Maryam
The court also made a decision to separate the trial of Hussain and Hassan from that of Sharif and his daughter and son-in-law. Accountability judge Muhammad Bashir granted bail to Maryam and Safdar and also exempted Sharif from Monday's hearing.
WWE to hold two live shows in New Delhi in December
Mahal finished things by delivering a devastating Khallas to Nakamura before standing tall with his WWE Championship in hand. Nakamura battled back, but eventually, the three on one odds were too much for the King of Strong Style to overcome.
Correa slugs Astros to rout of Red Sox in Game 2
Bauer posted a 4.19 ERA in 2017, but he also went 17-9 thanks to going 8-1 with a 2.57 ERA over the last two months of the season. Alex Bregman and Jose Altuve hit back-to-back home runs off Sale in the bottom of the first to help their club to an early lead.