The third seed best her fellow Russian 6-1, 6-2 to win her first Pacific Life Open.
Anastasia Myskina won the singles and doubles titles at the Sunfeast Open
Dementieva will face third seed Maria Sharapova, who beat Martina Hingis, in the final of the Pacific Life Open.
The Belgian will face Elena Dementieva while the Swiss ace will take on Paradorn Srichaphan in ther semi-finals of the Pacific Life Open.
The Indian ace frittered away the advantage of winning the first set and lost to the fourth seed at the Pacific Life Open.
The Indian ace fought off a strong challenge from qualifier Bethanie Mattek at the Pacific Life Open.
These divas will leave you gasping for breath.
The Russian has confirmed her participation in the singles as well as the doubles event at the Sunfeast Open 2005.
The former world number one celebrated her long-awaited return from a serious wrist injury with a demolition job against Croatia's Jelena Kostanic in the Antwerp Open.
Sania gave a tough fight before losing 3-6, 6-1, 4-6 against Iveta Benesova at the WTA JP Morgan Chase Open in USA.
Svetlana Kuznetsova overcame a dogged Shinobu Asagoe 6-1, 5-7, 7-5 on Sunday.
World number 30 Berrettini saved five points in the marathon second set tiebreak and held on to win it 13-11 for his third ATP crown in last 11 months.
Shikha and Neha lost in the opening round of the doubles at the WTA Tier III tournament in Hasselt, Belgium.
"There was a misunderstanding with the translation because I didn't say that I'm not going to play at all," said Myskina.
Croatia's Karolina Sprem toppled an injured Elena Likhovtseva, the second seed in the semi-finals.
The Russian top seed beat Florida-based Shikha Uberoi to join Estonia's Kaia Kanepi and Croatia's Karolina Sprem in the last four stage of the Sunfeast Open.
The third seeded Russian wore down Jelena Jankovic in the final.
The pair beat 14th seeds Elena Dementieva of Russia and Italian Flavia Pennetta in the final at the US Open.
French Open finalist Elena Dementieva says she rarely talks to fellow Russian Maria Sharapova because "we don't have anything in common".
However Steffi Graf salvaged some pride by ending the night on a winning note in Houston.
Russia closed in on a Fed Cup semi-final victory over the United States after Anastasia Myskina beat Venus Williams.
Suarez and Ruano Pascual repeated their Australian Open victory over the Russians in January to win their third consecutive grand slam title.
The Parisian crowd has adopted the 22-year-old Russian as one of theirs.
The duo's feat of setting up the first all-Russian Grand Slam final at the French Open was hailed as a great victory for all of Russian sport.