<p>Comeback girl Andrea Petkovic toppled top seed Nina Bratchikova of Russia while Japanese veteran Kimiko Date-Krumm shocked compatriot and second seed Misaki Doi to storm into the semifinals of the WTA Indian Open, here on Friday.<br /><br /></p>.<p>The 25-year-old German wild card entrant Petkovic was ruthless in hammering Brat-chikova 6-2, 6-0 in just under an hour while fifth seed 42-year-old Date-Krumm got the better of much younger Doi 6-1, 6-4 in the quarterfinals.<br /><br />Petkovic was on the top of her game from the start while Bratchikova erratic as she began the match with three unforced errors and went on to drop her serve in the first game.<br /><br />The trend continued through out the encounter with the German breaking Bratchikova again in the fifth game. The second set was one-sided affair with Petkovic toying with her opponent and did not lose a game in the bargain.<br /><br />“I was very focused from the start. Nina is a very good player and I knew that I cannot afford to relax against her. I am very happy the way I played today,” said Petkovic, who is making a comeback to competitive tennis after a long injury lay-off.<br /><br />She will now face seventh seed Elina Svitolina of Ukraine, who reached the last four after Thailand’s Luksika Kumkhum retired due to injury with the score reading 6-7 (3-7), 4-1 in the other quarterfinal. <br /><br />Results (quarterfinals, prefix denotes seeding): Andrea Petkovic (Ger) bt 1-Nina Bratchikova (Rus) 6-2, 6-0; 7-Elina Svitolina (Ukr) bt Luksika Kumkhum (Tha) 6-7 (3-7), 4-1 retd.; 5-Kimiko Date-Krumm (Jpn) bt 2-Misaki Doi (Jpn) 6-1, 6-4; 8-Tamarine Tanasugarn (Tha) bt Donna Vekic (Cro) 6-2, 6-4.</p>
<p>Comeback girl Andrea Petkovic toppled top seed Nina Bratchikova of Russia while Japanese veteran Kimiko Date-Krumm shocked compatriot and second seed Misaki Doi to storm into the semifinals of the WTA Indian Open, here on Friday.<br /><br /></p>.<p>The 25-year-old German wild card entrant Petkovic was ruthless in hammering Brat-chikova 6-2, 6-0 in just under an hour while fifth seed 42-year-old Date-Krumm got the better of much younger Doi 6-1, 6-4 in the quarterfinals.<br /><br />Petkovic was on the top of her game from the start while Bratchikova erratic as she began the match with three unforced errors and went on to drop her serve in the first game.<br /><br />The trend continued through out the encounter with the German breaking Bratchikova again in the fifth game. The second set was one-sided affair with Petkovic toying with her opponent and did not lose a game in the bargain.<br /><br />“I was very focused from the start. Nina is a very good player and I knew that I cannot afford to relax against her. I am very happy the way I played today,” said Petkovic, who is making a comeback to competitive tennis after a long injury lay-off.<br /><br />She will now face seventh seed Elina Svitolina of Ukraine, who reached the last four after Thailand’s Luksika Kumkhum retired due to injury with the score reading 6-7 (3-7), 4-1 in the other quarterfinal. <br /><br />Results (quarterfinals, prefix denotes seeding): Andrea Petkovic (Ger) bt 1-Nina Bratchikova (Rus) 6-2, 6-0; 7-Elina Svitolina (Ukr) bt Luksika Kumkhum (Tha) 6-7 (3-7), 4-1 retd.; 5-Kimiko Date-Krumm (Jpn) bt 2-Misaki Doi (Jpn) 6-1, 6-4; 8-Tamarine Tanasugarn (Tha) bt Donna Vekic (Cro) 6-2, 6-4.</p>