A victor at the ATP Masters 1000 event in OH as recently as 2015, Federer was playing for the first time since turning 37 last week. Williams opened with a straight-set victory against Daria Gavrilova.
Murray had his best result since missing 11 months following hip surgery when he reached the quarterfinals in Washington two weeks ago.
It was too late to avoid losing the first set, though, with time left for a fifth Murray double fault, but there was a shift in momentum in the second.
Williams withdrew from the Rogers Cup following that loss, citing "personal reasons", and last week shared an Instagram post revealing her difficulty with postpartum emotions.
"I realised after Wimbledon that this is a journey for me", the 36-year-old Serena said. "I'm having a great time and I'm very happy to be back".
Nadal, Roger Federer, Novak Djokovic and Andy Murray haven't played in the same tournament in more than a year.
Third seed Alexander Zverev will meet Robin Haas in the second round, while Milos Raonic advanced to face Tunisian lucky loser Malek Jaziri.
"It was a tough round for me because I've never beaten her, never even taken a set", said Pliskova. "So for the players as well and to attract more people, more viewers of a younger audience, I think we have to keep tennis matches dynamic, shorter and no shot clock".
Looking sharper and relaxed, Williams came out with a point to prove, the big-hitting veteran converting a break point at the third time of asking for an early 2-0 lead.
Dimitrov also went deeper praising Nadal: 'I love spending time with this guy.
"I'm still at the very beginning".
Murray was playing only his fourth tournament after missing almost a year out with a hip injury.
Weekend Toronto finalist Stefanos Tsitsipas exhausted late in a 7-5, 6-3 loss to Belgian 11th seed David Goffin.
'In Masters 1000 we have more opportunities to have five-set matches, definitely at the World Finals.
The Australian Open semi-finalist Hyeon Chung won the last five games to beat Jack Sock 2-6, 6-1, 6-2. Ekaterina Makarova cruised past qualifier Ana Bogdan 6-3, 6-2.
On the men's side, Kei Nishikori beat Andrey Rublev 7-5, 6-3; 13th-seeded Pablo Carreno Busta knocked off Richard Gasquet 6-3, 2-6, 6-3; and Peter Gojowczyk downed Joao Sousa 2-6, 6-4, 7-5.
After that, tap on the three dot menu on the top-right of the screen, which will then show a " confidential mode " option. Keep in mind that once the email is in Confidential Mode , any attachments, documents, or pictures will also be locked.
Davidson recently revealed to GQ that he proposed to her on the first day they met. "We never, like, exchanged numbers or anything", she explained. "All I know is that I'm the luckiest guy in the world".
De Bruyne injured a ligament in his right knee during a training session on Wednesday but does not require surgery, City said. It's a tough season, short recovery, they say let's go and we are in the competition.
The tweet set off a firestorm and caused the stock to jump, with the remark about funding also exposing Mr Musk to legal risk. The delays in the ramp-up were attributed to a range of problems with production capacity and suppliers.
They'll travel to play the Bills on November 25 in a rematch of last year's AFC Wild Card game. "I've played for 11 years". The 23-year-old, who manages to get under opponents' skin every time he's on the field - just ask Bengals receiver A.J.
Shortly after the iPhone X launched with its notched screen, many Android phone makers started producing. well, similar phones . While the company has officially launched the Motorola P30 today in China, the listing went live a couple of days earlier.
But several of the officials identified by the White House for review may not even have active security clearances to revoke. Speaking in a TV interview , he said Trump is trying to intimidate and suppress critics of his administration.
But I have a lot of respect for Nick and Carson [Wentz], all those quarterbacks, and that team and the way they played. Foles, on the other hand, struggled with accuracy, completing only three of his nine pass attempts for 44 yards.
The Florida Department of Health said Monday it is investigating a case of measles in an unvaccinated child in Pinellas County . A red or reddish-brown rash also appears, first on the face at the hairline and spreading down to the entire body.
The heat will then return in the middle of next week, with temperatures creeping back into the mid-20s in the south and midlands. The storm is in the mid-Atlantic at present but is expected to hit westerly parts of Britain on Saturday night.
Earlier this year, the White House budget chief said the parade would cost us taxpayers between $10 million and $30 million. The focus was set to be the work of USA military veterans through the ages, starting with the American revolution.