Roger Federer claimed a 6-3 6-1 victory over a shell-shocked Andre Agassi on Saturday to reach the final of the Dubai Open.
Millman, ranked 80 places above world number 14 Pouille, needed 73 minutes to clinch a 6-3, 6-4 victory and the best win of his career by ranking position.
Marat Safin and Mikhail won the doubles to give Russia a 3-0 lead in their Davis Cup World Group playoff tie.
A shoulder muscle pull forced Rikl to retire from the first round match at the Mercedes Open.
Ivan Ljubicic salvaged the opening day of Croatia's Davis Cup semi-final against Russia, winning a pulsating five-set duel with Mikhail Youzhny to level the tie 1-1.
The Russian hinted at retirement after rallying to beat Nicolas Kiefer in the first round action at the St Petersburg Open.
'It was exciting and this is why I came to New York, to go through these emotions'
India's Rohan Bopanna and his Romanian partner Florin Mergea began their campaign at the Wimbledon championships with a hard-fought win over over Tim Smyczek and Jiri Vesley in the men's doubles.
The sweet spot of Andy Murray's racket was put through its paces as he signed of his first week at Wimbledon by stylishly dispatching Spain's Tommy Robredo 6-2, 6-4, 7-5 to move into the last 16 on Friday.
The 29-year-old former French Open finalist failed the out-of-competition test in February after a urine sample was found to contain letrozole - a substance used in the treatment of breast cancer which is also on the banned drug list of the World Anti-Doping Agency (WADA).
World number one Novak Djokovic received a free pass into the third round of the U.S. Open when Jiri Vesely of the Czech Republic withdrew from their match on Wednesday due to a left forearm injury. The walkover provided the top-seeded defending champion with an extended break to improve his niggling left wrist injury before his next match against either Guido Pella of Argentina or Mikhail Youzhny of Russia.
Chasing a sixth US Open title, Federer needed just one hour and 46 minutes under a closed roof at Arthur Ashe Stadium to put away the 31st seed Lopez, leaving plenty in the tank after being forced to go the distance in his opening two matches.
The winners of the season's first three grand slams Novak Djokovic, Andy Murray and Rafa Nadal put on a masterclass at the Western and Southern Open on Wednesday, strolling into the third round with straight sets wins.
Five-time champion Roger Federer brushed aside Lukas Rosol on Thursday to set up a mouthwatering semi-final clash with Novak Djokovic in the Dubai Championship.
Murray, who is attempting to return to the top of the tennis world after undergoing hip surgery in January, was out of sorts in the first set of the rain-delayed match, losing three service games behind some uncharacteristically soft second serves.
Novak Djokovic and Rafael Nadal can take a step closer to a 50th career showdown when they play their fourth-round matches at the US Open on Sunday.
'Everyone always talks about how hot Melbourne is but the US Open's way worse'
India's top singles tennis player Somdev Devvarman has been handed a direct entry in the main draw of the ATP Chennai Open tennis tournament after Estonia's Jurgen Zopp pulled out of the event due to a back injury.
India's top singles player Somdev Devvarman was on Saturday drawn to a play a qualifier while wild cards Yuki Bhambri and Jeeven Nedunchehziyan will have to fight it out with top-100 players in their first rounds at the Aircel Chennai Open.
Teenager Taylor Fritz earned the chance to face his hero Roger Federer after the American defeated an unranked French qualifier on Tuesday to reach the second round in Stuttgart. Federer will be playing his first match in nearly a month after recovering from back pain and skipping the French Open, as he ramps up his preparations for Wimbledon. Number 65 Fritz has had time on court with the Swiss legend -- a Wimbledon training session a year ago - but booked his place into the match of his life with a 3-6 7-6 (8/6) 6-1 win over Fabrice Martin on the grass at the Weissenhof Club. Fritz, 18, said he will not worry with nerves when he faces one of the best players on the planet. "I have nothing to lose, there is no pressure on me, I don't think there will be any nerves." The teenager said he had watched and admired Federer as a boy aged 11.
An erratic Yuki Bhambri paid for his unforced errors as he was knocked out of the Chennai Open with a straight sets defeat against world number 47 Benoit Paire.
Sixth seed Andy Murray may feel the most aggrieved of the top contenders in the men's draw.
With Roger Federer missing due to injury, Andy Murray upset in the quarters and Rafael Nadal a fourth-round loser, Djokovic marches on in a quest for a 13th Grand Slam title without his familiar high profile rivals standing in the way.
Summary of sports events and persons who made news on Sunday
"Well, I don't know what his intentions are, how he feels, but he is definitely always one of the top favourites in every tournament that he plays," said Djokovic, who beat Slovenian qualifier Aljaz Bedene 6-3, 6-2, 6-4 to join the Spaniard in the second round on Tuesday.
PHOTOS from day two of the Wimbledon championships at the All England Lawn Tennis and Croquet Club in London on Tuesday.
Top seed Novak Djokovic has been starved of competitive action at the US Open but on Sunday the World No 1 feasted on unseeded Briton Kyle Edmund in a 6-2, 6-1, 6-4 romp that put him into the quarter-finals.
Serbia's Novak Djokovic is the top seed in the men's draw which includes five-times US Open champion and 17-times Grand Slam winner Roger Federer as seventh seed - his first time the Swiss has been placed outside the top three in a Grand Slam in over ten years.
Two-time champion Novak Djokovic thumped Spain's David Ferrer 6-4, 6-2 to march into the last four of the Shanghai Masters on Friday and set up a semi-final showdown with third seed Roger Federer.
Olympic and Wimbledon champion Andy Murray picked up where he left off in Rio by drubbing Argentina's Juan Monaco to take his place in the third round of the Western & Southern Open in Cincinnati on Wednesday.
'I make him play very easy. So you cannot expect to win matches in quarter-finals of Grand Slams helping the opponent to play well. That's what I did' 'It's not a bad result at all for me arriving here the way I arrived: only with one match, only with five matches in seven months. So taking the positive part, that's the thing that I have to take'
Top seed Stanislas Wawrinka lifted his fifth ATP World Tour title and second Chennai Open trophy after a convincing straight sets win over Edouard Roger-Vasselin in the final on Sunday.
PHOTOS from day four of the Wimbledon championships at the All England Lawn Tennis and Croquet Club in London on Thursday.
Yuki Bhambri became only the third Indian to reach the singles quarter-finals of an ATP World Tour event at home after winning his second round against an unfit world number 16 Fabio Fognini even as Ramkumar Ramanathan's fairytale run came to an end in Chennai on Thursday.
Federer, who skipped the entire clay court season after winning the Australian Open and claiming titles at Indian Wells and Miami this year, will next play defending champion Florian Mayer who beat Frenchman Lucas Pouille in three sets.
World No 1 Novak Djokovic, second seed Andy Murray and three-time champion Rafael Nadal were all cheered into the quarter-finals of the Rogers Cup on Thursday.
Roger Federer and Maria Sharapova glittered under the Rod Laver Arena lights on Monday, restoring order at the Australian Open after eight women's seeds crashed out in the afternoon sun on a manic opening day. The evergreen Federer strolled into the second round with a classy 6-4, 6-2, 7-5 win over Taiwan's Lu Yen-Hsun before fellow-second seed Sharapova ruined Croatian qualifier Petra Martic's 24th birthday with a 6-4, 6-1 victory.
Impressive wins by world number six Agnieszka Radwanska and seasoned Marcos Baghdatis paved the way for Pune Marathas's close 26-25 victory over Hyderabad Aces in the Champions Tennis League (CTL) at the LB Stadium on Tuesday.