Andy Murray has reclaimed second place in the world rankings from Roger Federer after beating world number one Novak Djokovic in the final of the Rome Masters on Sunday.
The Scot underlined his credentials for the upcoming French Open at Roland Garros by beating Djokovic 6-3, 6-3 on his 29th birthday.
Elsewhere, Milos Raonic of Canada is up a place to ninth and Richard Gasquet climbs two places to 10th.
Their rise comes at the expense of Spain's David Ferrer, who drops three places to 12th after his third-round defeat in Rome to Lucas Pouille of France.
India's doubles specialist Rohan Bopanna raised hopes of getting a direct entry into the Rio Olympic Games as he rose by two rungs to be 11th in the latest ATP Ranking charts issued on Monday.
Bopanna and his Romanian partner Florin Mergea had earned 360 points with a semifinal place at Rome Masters.
A top-10 player has the luxury of choosing his partner for the doubles competition at the Games.
Leander Paes, who is gunning for his seventh Olympics and is playing at the Challenger level to earn points, was back in top-50 with a jump of four places.
The next best in the doubles was Purav Raja, who gained two places to be 104 while Saketh Myneni, who lost a few weeks due to a shoulder injury, dropped to 125th after losing nine spots.
In the singles, Yuki suffered a steep loss of 12 places to be 141th and was followed by Myneni, who is 147th after
slipping six places. But Ramkumar Ramanthan was at his career best rank of 199th, breaking into top-200 for the first time. He had the semifinals at the Samarkand Challenger last week.
In the women's, Serena Williams reinforced her huge lead at the top of the WTA rankings a week out from the start of the French Open after winning the Italian Open on Sunday.
Williams beat fellow American Madison Keys in the final in Rome to set herself up nicely for Roland Garros.
Second place in the rankings was reclaimed by Poland's Agnieszka Radwanska from Germany's Angelique Kerber, who suffered an early exit in the Italian capital.
Elsewhere, Victoria Azarenka moved up a place to fifth at the expense of Romania's Simona Halep. Flavia Pennetta, who retired in November last year, also climbed back into the top 10.
Meanwhile, Sania Mirza continued to be world number one in women's doubles ranking after winning the title in Rome.
Updated Date: May 17, 2016 09:05 AM