Makarova, in the final of Monday's 12-match schedule, ousted 10th-seeded Francesca Schiavone 6-3, 6-4. Schiavone, ranked 14th in the world, is 2-10 since mid-February.
Makarova finished off all four -- two in each set -- of her break-point chances in beating Schiavone for the first time in her career.
No. 12-seeded Angelique Kerber rallied for a 4-6, 7-5, 6-2 win over Anastasia Rodionova for a first-round victory and 13th-seeded Ana Ivanovic defeated Svetlana Kuznetsova 6-4 6-3 in Monday's other matches involving seeded players.
Vania King, despite dropping her serve once, won two-thirds of the points in a 6-0, 6-1 romp over Tsvetana Pironkova. Anabel Medina Garrigues also claimed a solid victory, beating Zheng Jie 6-2, 6-1.
Shahar Peer was up 7-6 (7-4), 4-6, 3-1 when Peng Shuai retired. That put Peer into a second-round match against world No. 1 Victoria Azarenka. Christina McHale got past Monica Niculescu 6-4, 6-4 and next draws second-seeded Maria Sharapova. Azarenka and Sharapova had first-round byes.
Other players moving into the second round after Monday's play were Chanelle Scheepers, Iveta Benesova, Julia Goerges, Sofia Arvidsson and Anastasia Pavlyuchenkova.
McPhee, Cokas 'working on their marriage' after affair
Astronomers offer more expansive view of universe