wMurray said, players will seek out partners whose styles resemble those of scheduled opponents.
The Serb could meet either Andy Murray or Jo-Wilfried Tsonga in the quarter-finals.
World no. 2 Rafael Nadal has withdrawn from the tournament because an injured right wrist.
Roger Federer and Serena Williams, both winners of 17 Slams, lift Cincinnati Masters a week before US Open
Nadal is 44-8 with four titles in 2014, including his record ninth French Open trophy.
A wrist injury forced Nadal to skip the tournament; he also missed Rogers Cup and Cincinnati Open.
Applebee's is a restaurant that has served as an anchor of player life since it opened in 1997.
Serena finished last U.S. Open tune-up by beating Ana Ivanovic 6-4 6-1 to win her first title at Cincinnati.
Serena beat Wozniacki 2-6, 6-2, 6-4, and second-seeded Federer turned back fifth-seeded Raonic 6-2, 6-3.
The second-seeded Federer defeated Murray 6-3, 7-5 after the Scot had taken a 4-1 lead in the second set.
Djokovic’s form after marriage-break continues to slide with his second early exit.
Neither player was able to capitalize on early break chances before Federer eventually won the first set tiebreak.
In a tight contest that did not feature a single break, Williams needed nearly two hours to advance to the last 16.
Third-ranked Federer appeared sluggish at times as he struggled to tame the 46th-ranked Canadian.
Jo-Wilfried Tsonga followed his week of big upsets with an early exit Tuesday.
Jo-Wilfried Tsonga lost to Mikhail Youzhny in his opener two days after winning the Rogers Cup in Toronto.
6ft 10in American in Rd. 2 of Cincinnati Masters after straight-sets win over 6ft 8in Anderson; Wozniacki advances.
Wins Rogers Cup & becomes first to defeat four top-10 players in a row at a Masters since Canas in 2002.
The first win of the season for Radwanska, it provided a timely jolt of confidence going into Flushing Meadows.
Tsonga denied 17-time grand slam winner Federer a landmark 80th career title.
Roger Federer said Jo-Wilfried Tsonga would be on a high after his series of upsets in Toronto.
34-year old Williams records first win over World No.1 Serena in five years to advance to Montreal final; meets Radwanska.
Sania/ Black beat Hsieh/ Peng 7-6(3) 3-6 13-11 to set up final against top-seeded Errani/ Vinci.
Federer advanced to the Rogers Cup final vs Tsonga beating Spain's Feliciano Lopez 6-3, 6-4.
Venus topped Serena 6-7 (2), 6-2, 6-3, for her first victory against her sister since 2009, to reach Rogers Cup final.
While it is a matchup fans always look forward to, for the sisters it is something they could live without.
This semis will mark the 25th time the sisters have squared off and first since a 2013 clash in Charleston.
Tsonga beat Murray 7-6 (5), 4-6, 6-4 while Federer was extended to three sets in defeating Ferrer.
Current Wimbledon title-holders sent packing by Tsonga, Makarova at Rogers Cup; Federer, Serena through.
Serena Williams defeated Czech Republic's Lucie Safarova 7-5 6-4; Maria Sharapova lost to Spain's Carla Suarez Navarro.
Tsonga upsets Wimbledon champ Djokovic; Australian Open champ Wawrinka also beaten 7-6 (8) 7-5 by Anderson.
The Davis Cup committee said in a statement it "felt that its first priority was to ensure the safety of the players.
Paes is fighting for the custody of his daughter; the hearing of the case is scheduled around the Serbia tie.
Fourth seed Sharapova rallied for a 4-6 6-3 6-1 second-round win while Serena destroyed Stosur.
Swiss master makes light work of Canadian Peter Polansky.
Federer stormed into the third round of the Rogers cup beating Peter Polansky 6-2 6-0 on Tuesday.