"Sascha is a very good player and I think it's going to be a very hard match for me, but very interesting".
"When she won the Grand Slams I think more people chose to try tennis and try to believe in themselves". "I served, I think, 80 percent in that second set and got broken twice".
Normal order appeared to have been resumed when the Swiss comfortably claimed the first set against Bautista Agut.
Federer won an 11-minute game at the start of the second set to break Bautista Agut again before the Spaniard instantly roared back and reeled off four games in a row.
Federer will play eighth-seeded Kei Nishikori, a finalist in Tokyo last week, in the quarterfinals.
Del Potro, who was hindered by the flu in losing Sunday's China Open final to unseeded Nikoloz Basilashvili, said in Beijing last week that he was running on empty.
Photos taken after rocket failure prove spaceflight is never routine
The men were supposed to inspect a mysterious 2-millimeter hole found in the hull of a Soyuz module, docked at the space station. To that end, a Russian government Investigative Committee is inspecting the launch site and seizing documents, AFP reports .
Indonesia extends quake and tsunami search operation
Memorials will be constructed in hard-hit neighborhoods such as Balaroa and Petobo, he said at a news conference in Jakarta . The Indonesian aid agency has said it now only needs tents, water treatment units, generators and transport.
Facebook reveals more details about recent hack that affected 30 million accounts
For 14 million, the attackers were also able to scrape virtually all the other data available on members' profile pages. But, if you are anxious whether you are one of the impacted users, here is how to confirm in a few simple steps.
The Serbian was stunned by the Italian - ranked 72 in the world at the time - in the French Open quarter-finals earlier this year. It appears to be working and the 20-time Grand Slam victor opens his defence of the Shanghai Masters this week in ominously good shape.
"I played an opponent who has a lot of confidence", Zverev said.
Federer's large cheering squad - decked out in matching red T-shirts - looked on in disbelief as Medvedev grabbed the second set.
Next up will be a tie with Nishikori, who defeated Sam Querrey in straight sets to keep his hopes of reaching the ATP Finals alive.