At 33, Agassi became the oldest man to reach No.1 and secured his eighth and final major - the 2003 Australian Open - under Cahill.
The 2015 champion sealed victory on his third match point with a backhand down the line that the Frenchman could not return.
In the third round, Chan Hao-ching, and Barbora Krejcikova of the Czech Republic fell to a 7-5, 7-5 defeat to sixth-seeded Czech pairing Lucie Hradecka and Katerina Siniakova in 1 hour, 46 minutes. However, in their 6 H2H matches, Kevin Anderson averages 10 aces per match whereas Cilic averages 10.3 aces per match.
The fourth-seeded Nadal, a nine-time champion at Roland Garros, was leading 6-2, 2-0 when Carreno Busta stopped.
Former champion Stan Wawrinka and top-ranked Andy Murray were to play later today.
After losing the first six games, Kei Nishikori quickly turned things around and advanced to the quarterfinals of the French Open by beating Fernando Verdasco 0-6, 6-4, 6-4, 6-0. Pliskova hopes to make her second career grand slam final and first since the 2016 US Open.
Murray played cleanly to beat 53rd-ranked Karen Khachanov of Russian Federation 6-3, 6-4, 6-4 on Court Philippe Chatrier.
All of her big hitting - with a racket that has a white ribbon attached to the frame for good luck - gave Garcia fits: The last French player in the tournament made an eye-catching 31 unforced errors, to Pliskova's 13. He was the runner-up a year ago.
Pliskova is a 6-foot-1, 25-year-old from the Czech Republic.
The Ukrainian fifth seed served for a place in the last-four twice and brought up a match point in the second set tie-break, but Romanian Halep won 11 of the last 12 games for a 3-6, 7-6 (8-6), 6-0 victory.
WatchOS 4 detailed: Siri, new Watchfaces, NFC expands
Apple introduced WatchOS 4, the newest iteration of the operating system that powers Apple Watch today at WWDC. There's also new full-face album art designs arranged in a deck of cards that are easier to swipe through.
Oracle beats Kiwis in Bermuda for America's Cup bonus point
As such, they will take a bonus point with them into the best-of-13 Cup Match, effectively the regatta final, later in the month. Oracle started that series down two points after being penalized for the biggest cheating scandal in America's Cup history.
Senate Committee Hearing With Intelligence Chiefs
Trump tweeted Wednesday morning he would nominate Christopher Wray to replace Comey as Federal Bureau of Investigation director. Mr Comey reportedly told Attorney General Jeff Sessions that he did not want to be left alone with the president.
Clinton Blames Weaponized Info For Loss Against Trump
Hillary Clinton has found plenty of non-Hillary Clinton things to blame for her 2016 loss, including Russia, James B. Kucinich said that Clinton might be "burning bridges" with members of her party with her remarks.
F1: Vettel ends Ferrari's long wait for Monaco victory
The leading vehicle , is very hard for him to get jumped unless the team decide to favor the other auto , so it's great for him. We went back to this unknown scenario we are in, which happens to be, it's okay on one vehicle and not okay on mine.
Patty Jenkins Wants to Return for Contemporary Wonder Woman 2
After 19 superhero films starring men, what did moviegoers think of a female-fronted flick? Wonder Woman is in theaters Friday. To say that Time Warner's ( TWX ) Warner Bros . division has had a mixed start with its DC Extended Universe would be kind.