Ferrer, a Melbourne semi-finalist two years ago, will play American Tim Smyczek in the second round.
Defending champion John Isner hammered 12 aces to defeat Izak van der Merwe 6-4, 7-6 (7/2) and reach the semi-finals of the ATP Tour's Hall of Fame Tennis Championships on Friday.
The seventh seeded pair of Indian veteran Leander Paes and Austrian Alexander Peya advanced to the French Open second round after notching up a three-set win in their opening men's doubles match at the Roland Garros here.
Fifth-seeded Bernard Tomic of Australia defeated Olivier Rochus of Belgium 6-4, 6-3 in the only main-draw match Monday in the first round of the BMW Open.
Top-seed David Ferrer retained his Auckland ATP title on Saturday with a comfortable victory over Olivier Rochus 6-3, 6-4 in a rain-disrupted final.
Belgium's Olivier Rochus will contest his second Heineken Open final, seven years after his first, after beating eighth-seeded Philipp Kohlschreiber of Germany 6-7 (4), 6-1, 6-4 on Friday in a marathon semifinal.
Top-seeded John Isner became the first top-seeded player to win the title in the 35-year history of the Hall of Fame Tennis Championships, beating sixth-seeded Olivier Rochus, 6-3, 7-6 (6) on Sunday.
The second-tallest player on the ATP tour, the 6-foot-9 (2.06 meters) John Isner advanced to the final of the Hall of Fame Championship to play Olivier Rochus, who's the shortest at 5-6 (1.68).
A day after throwing his shoes in frustration, Juan Martin del Potro won 18 of 23 games on Thursday to reach the third round at Wimbledon with a 6-7 (7), 6-1, 6-0, 6-4 win over Olivier Rochus.
Olivier Rochus of Belgium overcame 43 aces by American Mardy Fish on Thursday to advance 6-7 (5), 7-6 (6), 7-6 (15) to the Lyon Grand Prix quarterfinals.
Belgian eighth seed Olivier Rochus stopped giant-slayer and former top-10 Rainer Schuettler in straight sets to advance to his first ATP final.
Olivier Rochus won the first all-Belgian men's final of the Open Era on Sunday, beating Kristof Vliegen 6-4, 6-2 at the BMW Open.